President Barack Obama talks on the phone with Secretary of State John Kerry regarding the Iran nuclear agreement in the Oval Office, July 13, 2015. Attending from left: Ben Rhodes, Deputy National Security Advisor for Strategic Communications, National Security Advisor Susan E. Rice, Jeffrey Prescott, Senior Director for Iran, Iraq, Syria, and the Gulf States, Avril Haines, Deputy National Security Advisor Counterterrorism and Chief of Staff Denis McDonough. (Official White House Photo by Pete Souza.)