START 4

START 4
President Barack Obama is briefed by, from left,  NSC Chief of Staff Mark Lippert, Former U.S. Ambassador to Russia William J. Burns, Deputy National Security Advisor for Strategic Communications Ben Rhodes, NSC Senior Director for Russian Affairs Mike McFaul, and Deputy National Security Advisor for Strategic Communications Denis McDonough, in the Conference Room aboard Air Force One, during a flight to Moscow, Russia, July 5, 2009. (Official White House Photo by Pete Souza)

START 4 President Barack Obama is briefed by, from left, NSC Chief of Staff Mark Lippert, Former U.S. Ambassador to Russia William J. Burns, Deputy National Security Advisor for Strategic Communications Ben Rhodes, NSC Senior Director for Russian Affairs Mike McFaul, and Deputy National Security Advisor for Strategic Communications Denis McDonough, in the Conference Room aboard Air Force One, during a flight to Moscow, Russia, July 5, 2009. (Official White House Photo by Pete Souza)