SHANKSVILLE, PA - SEPTEMBER 10: Ken Salazar, George W. Bush, Laura Bush, Bill Clinton, Jill Biden and Vice President Joe Biden walk along the Wall of Names at the Flight 93 Memorial, September 10, ... more 
SHANKSVILLE, PA - SEPTEMBER 10: Ken Salazar, George W. Bush, Laura Bush, Bill Clinton, Jill Biden and Vice President Joe Biden walk along the Wall of Names at the Flight 93 Memorial, September 10, 2011 in Shanksville, Pennsylvania. The Flight 93 National Memorial was formally dedicated with Presidents George W. Bush and Bill Clinton, Vice President Joe Biden, Secretary of the Interior Ken Salazar, Speaker of the House John Boehner and members of Congress in attendance. An estimated crowd of 5,000 watched as the memorial wall was unveiled with the names of the 40 passengers on the plane that crashed on September 11, 2001. (Photo by Jeff Swensen/Getty Images) less 
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Getty Images | Photo By Jeff Swensen / Getty Images
Sat, Sep 10, 2011 6:19 PM EDT