Remembering 9/11

Associated Press
President Barack Obama and first lady Michelle Obama, joined by members of the White House staff pause during a moment of silence to mark the 11th anniversary of the Sept, 11th, Tuesday, Sept. 11, 2012, on the South Lawn of the White House in Washington. (AP Photo/Carolyn Kaster)

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Americans across the country paused Tuesday to mark the 11th anniversary of the Sept. 11, 2001 terror attacks.

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