U.S. Secretary of State John Kerry, flanked by Under Secretary of State for Political Affairs Wendy Sherman and U.S. Energy Secretary Dr. Ernest Moniz, sits with British Foreign Secretary Philip Hammond and Russian Foreign Minister Sergey Lavrov on July 6, 2015, in Vienna, Austria, during a plenary session of the P5+1 member countries amid negotiations with Iranian officials about the future of their country's nuclear program. [State Department photo/ Public Domain]