Fighters carry the coffin of Abu Baqir al-Saadi during his funeral on Feb. 8. He was a senior commander in Kataib Hezbollah, an Iran-backed Iraqi militia, who was killed in a U.S. drone strike in Baghdad. Ameer Al-Mohammedawi/dpa via Getty Images hide caption
A staff person removes the Iranian flag from the stage after a group picture with representatives of the United States, Iran, China, Russia, Britain, Germany, France and the European Union during the Iran nuclear talks in July 2015 in Vienna. Carlos Barria/Pool/AFP via Getty Images hide caption