President Barack Obama poses for photos with Chiefs of Mission in the Blue Room of White House Feb. 4, 2011. (Official White House Photo by Chuck Kenn

President Barack Obama poses for photos with Chiefs of Mission in the Blue Room of White House Feb. 4, 2011. (Official White House Photo by Chuck Kennedy)

President Barack Obama poses for photos with Chiefs of Mission in the Blue Room of White House Feb. 4, 2011. (Official White House Photo by Chuck Kennedy)