see more

NEW YORK, NY - SEPTEMBER 28: Russian President Vladimir Putin (L) and U.S. President Barack Obama shake hands for the cameras before the start of a bilateral meeting at the United Nations headquarters on September 28, 2015 in New York City. Putin and Obama are in New York City to attend the 70th anniversary general assembly meetings. (Photo by Dmitry Azarov/Kommersant Photo via Getty Images)

NEW YORK, NY - SEPTEMBER 28: Russian President Vladimir Putin (L) and U.S. President Barack Obama shake hands for the cameras before the start of a bilateral meeting at the United Nations headquarters on September 28, 2015 in New York City. Putin and Obama are in New York City to attend the 70th anniversary general assembly meetings. (Photo by Dmitry Azarov/Kommersant Photo via Getty Images)