President Barack Obama and first Lady Michelle Obama walk across the South Lawn of the White House to board Marine One, Sunday, Sept. 11, 2011, in Washington, as they travel to New York to take part ... more 
President Barack Obama and first Lady Michelle Obama walk across the South Lawn of the White House to board Marine One, Sunday, Sept. 11, 2011, in Washington, as they travel to New York to take part in the memorial service at ground zero. (AP Photo/Carolyn Kaster) less 
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Associated Press | Photo By Carolyn Kaster
Sun, Sep 11, 2011 6:41 AM EDT