President Barack Obama and first lady Michelle Obama arrive at John F. Kennedy International Airport in New York, Sunday, Sept. 11, 2011, to participate in the 10th Anniversary Commemoration Ceremony ... more 
President Barack Obama and first lady Michelle Obama arrive at John F. Kennedy International Airport in New York, Sunday, Sept. 11, 2011, to participate in the 10th Anniversary Commemoration Ceremony at the National September 11 Memorial at the World Trade Center site in New York. (AP Photo/David Karp) less 
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Associated Press | Photo By David Karp
Sun, Sep 11, 2011 11:14 AM EDT