Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, from left, Defense Secretary Leon Panetta, and Vice President Joe Biden stand during the National Anthem at the 10th anniversary ceremony of the... more 
Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, from left, Defense Secretary Leon Panetta, and Vice President Joe Biden stand during the National Anthem at the 10th anniversary ceremony of the September 11 attacks at the Pentagon in Washington, Sunday, Sept. 11, 2011. (AP Photo/Charles Dharapak) less 
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Associated Press | Photo By Charles Dharapak
Sun, Sep 11, 2011 10:04 AM EDT