President Barack Obama salutes as he boards Air Force One at Andrews Air Force Base, Md., Thursday, May 5, 2011, before traveling to New York City where he will visit Ground Zero and meet with first ... more 
President Barack Obama salutes as he boards Air Force One at Andrews Air Force Base, Md., Thursday, May 5, 2011, before traveling to New York City where he will visit Ground Zero and meet with first responders and family members of victims of the Sept. 11, 2001 attacks after he announced Sunday that Osama bin Laden had been killed by U.S. forces. less 
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Associated Press | Photo By Charles Dharapak
Thu, May 5, 2011 10:07 AM EDT