President Barack Obama is briefed by, from left, NSC Senior Director for Russian Affairs Mike McFaul, Special Assistant to the President Gary Samore, Deputy National Security Advisor Tom Donilon, and NSC Director for Pakistan Eric Lebson in the Oval Office, Nov. 30, 2009.

President Barack Obama is briefed by, from left, NSC Senior Director for Russian Affairs Mike McFaul, Special Assistant to the President Gary Samore, Deputy National Security Advisor Tom Donilon, and NSC Director for Pakistan Eric Lebson in the Oval Office, Nov. 30, 2009.