(From L to R) U.S. Under Secretary for Political Affairs Wendy Sherman, U.S. Secretary of Energy Ernest Moniz, U.S. Secretary of State John Kerry, British Foreign Secretary Philip Hammond, Russian Deputy Foreign Minister Sergei Ryabkov and German Foreign Minister Frank Walter Steinmeier wait for a meeting with officials from P5+1, the European Union and Iran at the Beau Rivage Palace Hotel in Lausanne March 31, 2015. REUTERS/Brendan Smialowski/Pool – RTR4VJVB