Along with first lady Michelle Obama, President Barack Obama waves after laying a wreath at the Flight 93 National Memorial and greeting families of the victims of United Flight 93 in a ceremony near ... more 
Along with first lady Michelle Obama, President Barack Obama waves after laying a wreath at the Flight 93 National Memorial and greeting families of the victims of United Flight 93 in a ceremony near the crash site in Shanksville, Pa., on Sunday Sept. 11, 2011, on the 10th anniversary of the terrorist attacks of Sept. 11, 2001. (AP Photo/Amy Sancetta) less 
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Associated Press | Photo By Amy Sancetta
Sun, Sep 11, 2011 2:16 PM EDT