U.S. Secretary of State Kerry yawns as he sits with U.S. Ambassador to the U.N. Power as U.S. President...
U.S. Secretary of State John Kerry yawns as he sits with U.S. Ambassador to the United Nations Samantha Power as U.S. President Barack Obama addresses a plenary meeting of the U.N. Sustainable Development Summit at the United Nations headquarters in Manhattan, New York September 27, 2015. More than 150 world leaders are expected to attend the three-day summit to formally adopt an ambitious new sustainable development agenda, according to a U.N. press statement. REUTERS/Carlo Allegri