White House

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President George H.W. Bush talks to reporters in the Rose Garden of the White House on Feb. 11, 1991, after meeting with top military advisors to discuss the Persian Gulf war. From left are, Defense Secretary Dick Cheney, Vice President Dan Quayle, White House Chief of Staff John Sununu, the president, Secretary of State James A. Baker III, and Joint Chiefs Chairman Gen. Colin Powell. The president said that the air campaign in the Gulf will continue. (AP Photo/Ron Edmonds)

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** FILE ** In this Aug. 24, 1992 file photo, President and first lady Barbara Bush walk with Millie across the South Lawn as they return to the White House in Washington. (AP Photo/Scott Applewhite, File)

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President George Bush and Pakistani Prime Minister Benazir Bhutto stand together during a welcoming ceremony on the grounds of the White House, June 6, 1989. (AP Photo/Bob Daughrety)

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President George Bush shakes hands with South African national leader Nelson Mandela at the White House in Washington, June 25, 1990. (AP Photo/Doug Mills)

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President-elect Barack Obama is welcomed by President George W. Bush for a meeting at the White House in Washington, Wednesday, Jan. 7, 2009, with former presidents, from left, George H.W. Bush, Bill Clinton and Jimmy Carter. (AP Photo/J. Scott Applewhite)

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The flag above the White House flies at half-staff in honor of the late South African President Nelson Mandela on Friday, Dec. 6, 2013, in Washington. (AP Photo/Evan Vucci)