White House reunion is latest sign of Biden-Obama friendship


              FILE - President Barack Obama, right, walks out with Vice President Joseph Biden, left, after making a statement to the nation following the final vote in the House of Representatives for comprehensive health care legislation, in the East Room of the White House in Washington, March 21, 2010. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - President Barack Obama puts his arm on Vice President Joe Biden as they walk away from the podium after the president spoke about the election Nov. 9, 2016, in the Rose Garden of the White House in Washington. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - President Barack Obama hugs Vice President Joe Biden as Biden waves at the end Biden's announcement in the Rose Garden of the White House in Washington, Oct. 21, 2015, that he will not run for the presidential nomination. Jill Biden is at right. (AP Photo/Jacquelyn Martin, File)
            
              FILE - President Barack Obama delivers his State of the Union address to a joint session of Congress on Capitol Hill on Tuesday, Jan. 20, 2015, in Washington, as Vice President Joe Biden applauds and House Speaker John Boehner of Ohio, listens. (Mandel Ngan/Pool Photo via AP)
            
              FILE - President Barack Obama and Vice President Joe Biden place flowers down during their visit to a memorial to the victims of the Pulse nightclub shooting June 16, 2016 in Orlando, Fla. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - President Barack Obama hugs Vice President Joe Biden during funeral services for Biden's son, Beau Biden, June 6, 2015, at St. Anthony of Padua Church in Wilmington, Del. (Yuri Gripas/Pool Photo via AP, File)
            
              FILE - President Barack Obama listens as Vice President Joe Biden speaks in the South Court Auditorium in the Eisenhower Executive Office Building on the White House complex in Washington, Dec. 13, 2016. (AP Photo/Carolyn Kaster, File)
            
              FILE - President Barack Obama smiles as he wait for Vice President Joe Biden to take his seat at the Blair House in Washington, Feb. 25, 2010, during a meeting with Republican and Democratic Congressional leaders to renew efforts for health care reform. Seated, from left are, Senate Majority Leader Harry Reid of Nev., and House Speaker Nancy Pelosi of Calif. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - President Barack Obama and Vice President Joe Biden smile in the East Room of the White House in Washington, March 23, 2010, before the president signed the health care bill. (AP Photo/Charles Dharapak, File)
            
              FILE - President Barack Obama, left, laughs with Vice President Joe Biden, right, during an NCAA college basketball game between Duke and Georgetown, Jan. 30, 2010, in Washington. (AP Photo/Nick Wass, File)
            
              FILE - Vice President Joe Biden, right, talks to President Barack Obama at their election night party Nov. 7, 2012, in Chicago. (AP Photo/M. Spencer Green, File)
            
              FILE - President Barack Obama presents Vice President Joe Biden with the Presidential Medal of Freedom during a ceremony in the State Dining Room of the White House in Washington, Jan. 12, 2017. (AP Photo/Susan Walsh, File)
            
              FILE - President Barack Obama listens to Vice President Joe Biden during a meeting with Cabinet members, June 8, 2009, in the State Dining Room of the White House in Washington. (AP Photo/Pablo Martinez Monsivais, File)
            
              FILE - President Barack Obama and Vice President Joe Biden acknowledge mayors in the audience before they addressed the U.S. Conference of Mayors, Jan. 21, 2010, at the White House in Washington. (AP Photo/Charles Dharapak, File)
            
              FILE - President Barack Obama and Vice President Joe Biden embrace on stage during an election night party, Nov. 7, 2012, in Chicago. (AP Photo/Matt Rourke, File)
            
              FILE - President Barack Obama laughs with Vice President Joe Biden during a ceremony in the State Dining Room of the White House in Washington where Obama presented Biden with the Presidential Medal of Freedom, Jan. 12, 2017. (AP Photo/Susan Walsh, File)