8:46 a.m.

Michelle ObamaSeptember 11, 2001 AttacksBarack ObamaGeorge W. BushLaura Bush
President Barack Obama, first lady Michelle Obama, Former President George W. Bush and his wife Laura Bush observe a moment of silence at the time the first hijacked airliner crashed into the north tower of the World Trade Center during the 10th Anniversary commemoration of the September 11,... Stan Honda, AFP/Getty Images
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