The presidents of China, Russia, Iran and the United States are scheduled to speak at the 70th annual U.N. General Assembly of world leaders in September - a rare appearance for Russian President Vladimir Putin and the first for Chinese President Xi Jinping.
Associated Press: Putin, Xi, Rouhani to address annual UN high-level meeting
Russian President Vladimir Putin (L) greets Chinese President Xi Jinping during a welcome ceremony in Ufa on July 10, 2015 at the start of the Shanghai Cooperation Organization (SCO) summit.
