President Barack Obama toasts UN Secretary General Ban Ki-Moon at a luncheon for world leaders during the 71st annual United Nations (UN) General Assembly at UN headquarters in New York, on Tuesday, Sept. 20, 2016. (Photographer: Peter Foley/Pool via Bloomberg)
U.S. President Barack Obama, left, toasts Ban Ki-Moon, secretary general of the United Nations, at a luncheon for world leaders during the 71st annual United Nations (UN) General Assembly at UN headquarters in New York, U.S., on Tuesday, Sept. 20, 2016. Obama railed against political “strongmen,” nationalism and isolation in a farewell address to the United Nations General Assembly on Tuesday, taking his campaign battle with Donald Trump, 2016 Republican presidential nominee, to the podium of the world’s foremost international institution. Photographer: Peter Foley/Pool via Bloomberg
