NEW YORK, NY - SEPTEMBER 28 : President of the United States Barack Obama (L), Russian President Vladimir Putin (R) attend the lunch organized by United Nations Secretary-General Ban Ki-moon (L2) during the Leaders' Summit on Peacekeeping within the 70th session of the United Nations General Assembly at the U.N. headquarters in New York on September 28, 2015. (Photo by UN Photo/Amanda Voisard/pool/Anadolu Agency/Getty Images)
