President Barack Obama and the leaders of some of America's closest allies are addressing a major United Nations summit on its last day on Sept. 27 as Syria's conflict and issues like climate change threaten to push the stated topic, global development, onto the sidelines.
Associated Press: Obama, Russia address UN summit as Syria war draws spotlight
US President Barack Obama waves as he departs the White House in Washington, DC, on Sept. 27 for New York.
