UK royals traveling to Boston with eye on environment prize


              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, at right, watch as Boston Celtics guard Jaylen Brown drives to the basket against Miami Heat guard Gabe Vincent (2) during the first half of an NBA basketball game, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, applaud during an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William and Kate, Princess of Wales, arrive for an NBA basketball game between the Boston Celtics and the Miami Heat, Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William jokes with Massachusetts Gov.-elect Maura Healey during the first half of an NBA basketball game between the Miami Heat and the Boston Celtics on Wednesday, Nov. 30, 2022, in Boston. (AP Photo/Charles Krupa)
            
              Britain's Prince William walks during halftime of an NBA basketball game between the Boston Celtics and the Miami Heat in downtown Boston, Wednesday, Nov. 30, 2022. (Brian Snyder/Pool Photo via AP)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              People react to Britain's Prince William and Kate, Princess of Wales, arrival at City Hall Plaza on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (AP Photo/Reba Saldanha)
            
              Boston City Hall is lit in green during Britain's Prince William and Kate, Princess of Wales',  Welcome of Earthshot event on Wednesday, Nov. 30, 2022 in Boston, Mass. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski, right, and sons Blaise, holds her hand, and Cass, front, show photographs of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.  (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, chat with Boston Mayor Michelle Wu hand er sons Blaise and Cass in her office at Boston City Hall on Wednesday, Nov. 30, 2022 in Boston. (AP Photo/Reba Saldanha)
            
              Boston Mayor Michelle Wu, right, husband Conor Perwarski and sons Blaise, second right, and Cass, show photos of the Queen Elizabeth II's visit in 1976, during the visit of Britain's Prince William and Kate, Princess of Wales, to Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Boston Mayor Michelle Wu, back, second right, husband Conor Perwarski,top right, and sons Blaise, center, and Cass and Gov.-elect Maura Healey, back, third right, walk with Britain's Prince William and Kate, Princess of Wales, in Boston City Hall on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (Nancy Lane/The Boston Herald via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, are greeted by Massachusetts Gov. Charlie Baker, right, as they arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September.(John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Kate, Princess of Wales, arrive at Boston Logan International Airport, Wednesday, Nov. 30, 2022, in Boston. They were met by Massachusetts Gov. Charlie Baker, rear, and first lady Lauren Baker. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              British Airways plane carrying Britain's Prince William and Catherine, Princess of Wales, arrives at Boston Logan International Airport on Wednesday, Nov. 30, 2022. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              Britain's Prince William and Catherine, Princess of Wales are greeted by Massachusetts Governor Charlie Baker at Boston Logan International Airport on Wednesday, Nov. 30, 2022, in Boston. The Prince and Princess of Wales are making their first overseas trip since the death of Queen Elizabeth II in September. (John Tlumacki/The Boston Globe via AP, Pool)
            
              FILE - Prince William and Kate, Duchess of Cambridge, arrive for a service of thanksgiving for the reign of Queen Elizabeth II at St Paul's Cathedral in London, on June 3, 2022 on the second of four days of celebrations to mark the Platinum Jubilee. The Prince and Princess of Wales’s first overseas trip since the death of Queen Elizabeth II, which begins Wednesday, will show the world as much about what they are not as who they are. (AP Photo/Alberto Pezzali, File)
            
              FILE - Britain's Prince William and Kate, Duchess of Cambridge meet new 'therapy puppy' Alfie, an apricot cockapoo, during a visit to the Clitheroe Community Hospital, in Lancashire, England, on Jan. 20, 2022. The Prince and Princess of Wales’s first overseas trip since the death of Queen Elizabeth II, which begins Wednesday, will show the world as much about what they are not as who they are. (James Glossop/Pool Photo via AP, File)
            
              FILE - Britain's Prince William, and Kate, Duchess of Cambridge, visit the National Sept. 11 Memorial and Museum, on Dec. 9, 2014 in New York. The Prince and Princess of Wales’s first overseas trip since the death of Queen Elizabeth II, which begins Wednesday, will show the world as much about what they are not as who they are. (AP Photo/Jason DeCrow, File)
            FILE - Britain's Prince William, right, and Kate, second from right, Duchess of Cambridge, watch former Houston Rockets player Dikembe Mutombo joke with Cleveland Cavaliers' Brendan Haywood, left, during the second half of an NBA basketball game against the Brooklyn Nets, on Dec. 8, 2014, in New York. The Prince and Princess of Wales's first overseas trip since the death of Queen Elizabeth II, which begins Wednesday, will show the world as much about what they are not as who they are. (AP Photo/Frank Franklin II, File)