U.S. Secretary of State John Kerry shakes hands with Iranian Foreign Minister Mohammad Javad Zarif, right, after the International Atomic Energy Agency (IAEA) verified that Iran has met all conditions under the nuclear deal, in Vienna, Austria, Saturday Jan. 16,  2016. U.S. Secretary of State, John Kerry confirms Iran in compliance with nuclear deal and lifts US nuclear-related sanctions. Photo: Kevin Lamarque/Pool Via AP / Reuters Pool