Former President George W. Bush, with his wife Laura, and President Barack Obama, with his wife Michelle, observed a moment of silence at the north pool at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center.
Presidents Bush and Obama
Observe Moment of Silence
At 9/11 Memorial
9/11/2011 5:55 AM PDT BY TMZ STAFF
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