385005 01: US President George W. Bush poses for a portrait in this undated photo January 31, 2001 at the White House in Washington, DC. (Photo courtesy of the White House/Newsmakers)
US President George W. Bush waves after arriving on Marine One on the South Lawn of the White House in Washington, DC, on March 16, 2007. Bush spent the weekend at the Camp David presidential retreat. AFP PHOTO/Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
Crawford, UNITED STATES: US President George W. Bush speaks during a joint press conference with Colombian President Alvaro Uribe on his "Prairie Chapel" ranch 04 August 2005 in Crawford, TX. The two leaders were expected to discuss the fight against drug trafficking and promoting democracy. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP via Getty Images)
WASHINGTON - SEPTEMBER 13: (AFP OUT) President George W. Bush poses for photographers after addressing the nation on the military and political situation in Iraq from the White House September 13, 2007 in Washington, DC. (Photo by Aude Guerrucci-Pool/Getty Images)
WASHINGTON - NOVEMBER 5: U.S. President George W. Bush makes a statement on the election results at the Rose Garden of the White House November 5, 2008 in Washington, DC. Bush congratulated President-elect Barack Obama on his win of the presidential election. (Photo by Alex Wong/Getty Images)
