U.S. President George W. Bush and Republican presumptive presidential nominee Sen. John McCain (R-AZ) depart after speaking to the media in the Rose Garden of the White House on March 5, 2008. Bush endorsed McCain's candidacy and pledged to support McCain during the campaign. (UPI Photo/Roger L. Wollenberg)
U.S. President George W. Bush (L), Palestinian President Mahmoud Abbas (R) and Israeli Prime Minister Ehud Olmert re-enter the Oval Office following Bush's statement to the media in the Rose Garden of the White House after their meeting in the Oval Office on November 28, 2007. The three leaders participated in a peace conference in the U.S. this week aimed at restarting talks between the Israelis and Palestinians. (UPI Photo/Roger L. Wollenberg)
U.S. President George W. Bush and French President Nicolas Sarkozy (L) speak to the media after touring Mount Vernon, President George Washington's home, in Mount Vernon, Virginia, on November 7, 2007. (UPI Photo/Roger L. Wollenberg)
U.S. President George W. Bush hugs and shakes hands with White House Deputy Chief of Staff Karl Rove after Bush announced Rove will leave his post at the end of August on the South Lawn of the White House on August 13, 2007. Rove is widely credited with being the architect of Bush's Presidential election victories. (UPI Photo/Roger L. Wollenberg)
President George W. Bush (R), joined by Vice President Dick Cheney, delivers a statement after meeting with his Cabinet at The White House in Washington on December 14, 2007. Bush scolded Congress for their inability to deliver him a spending bill for the upcoming fiscal year. (UPI Photo/Kevin Dietsch).
U.S. President George W. Bush greets Speaker of the House Nancy Pelosi, D-CA, during a Congressional Gold Medal ceremony in The Dalai Lama's (center) honor on October 17, 2007, on Capitol Hill in Washington. (UPI Photo/Roger L. Wollenberg)
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