Negotiators optimistic about progress on Iran nuclear deal


              A police officer stands in front of the Palais Coburg where closed-door nuclear talks take place in Vienna, Austria, Friday, Aug. 5, 2022. A new round of talks on the revival of the Joint Comprehensive Plan of Action (JCPOA) began in Vienna on Thursday. (AP Photo/Florian Schroetter)
            
              Iranian deputy foreign minister Reza Najafi, left, and Iranian AEOI spokesperson Behrouz Kamalvandi, right, are leaving the Palais Coburg where closed-door nuclear talks take place in Vienna, Austria, Friday, Aug. 5, 2022. A new round of talks on the revival of the Joint Comprehensive Plan of Action (JCPOA) began in Vienna on Thursday. (AP Photo/Florian Schroetter)
            
              The sun sets behind the Palais Coburg where closed-door nuclear talks take place in Vienna, Austria, Friday, Aug. 5, 2022. A new round of talks on the revival of the Joint Comprehensive Plan of Action (JCPOA) began in Vienna on Thursday. (AP Photo/Florian Schroetter)