U.S. President Bush (28 images)

U.S. President George W. Bush awards the Presidential Medal of Freedom to Harper Lee, author of "To Kill a Mockingbird," in the East Room of the White House in Washington on November 5, 2007. (UPI Photo/Roger L. Wollenberg)

A secret service officer adjusts the presidential seal on the podium before U.S. President George W. Bush speaks at the Federalist Society Gala at Union Station in Washington on November 15, 2007. (UPI Photo/Alexis C. Glenn)..

U.S. President George W. Bush departs aboard Marine One from the South Lawn of the White House past the Washington Monument en route to the Middle East peace conference in Annapolis, Maryland, on November 27, 2007. Bush is hosting Palestinian President Mahmoud Abbas, Israeli Prime Minister Ehud Olmert and other world leaders. (UPI Photo/Roger L. Wollenberg)

U.S. President George W. Bush speaks at a press conference from the Brady Briefing Room at the White House in Washington on October 17, 2007. (UPI Photo/Alexis C. Glenn)