NEW YORK, NY - SEPTEMBER 28:  (AFP OUT) U.S. President Barack Obama (L) and Russian President Valdimir Putin toast during a luncheon hosted by United Nations Secretary-General Ban Ki-moon during the 70th annual UN General Assembly at the UN headquarters September 28, 2015 in New York City. Obama held a bilateral meeting with Indian Prime Minister Narendra Modi and with have a face-to-face meeting with Putin later in the day.  (Photo by Chip Somodevilla/Getty Images)