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International Atomic Energy Agency (IAEA) Director General Yukiya Amano arrives for a board of governors meeting at the IAEA headquarters in Vienna November 20, 2014
A U.N. chemical weapons expert, wearing a gas mask, holds a plastic bag containing samples from one of the sites of an alleged chemical weapons attack in the Ain Tarma neighborhood of Damascus August 29, 2013
U.S. troops stand guard in front of a police medical warehouse in Kabul
Cathey Park of Cambridge, Massachusetts wears a cast for her broken wrist with ''I Love Obamacare''
Portuguese Air Force fighter F-16 (L) and Canadian Air Force fighter CF-18 Hornet patrol over Baltics air space
U.S. Secretary of State John Kerry (R), Iranian Foreign Minister Javad Zarif (L) and EU envoy Catherine Ashton arrive for a meeting in Vienna November 20
Barack Obama