ARLINGTON, VA- MAY 05: U.S. Vice President Joseph Biden lays a wreath during a ceremony to honor the victims of the September 11, 2001 terrorist attack at the Pentagon, on May 5, 2011 in Arlington, ... more 
ARLINGTON, VA- MAY 05: U.S. Vice President Joseph Biden lays a wreath during a ceremony to honor the victims of the September 11, 2001 terrorist attack at the Pentagon, on May 5, 2011 in Arlington, Virginia. Earlier this week U.S. President Barack Obama announced that Osama Bin Laden was killed during a special force led operation in a house in Abbottabad, Pakistan. (Photo by Mark Wilson/Getty Images) less 
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Getty Images | Photo By Mark Wilson / Getty Images
Thu, May 5, 2011 2:16 PM EDT