White House

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President Bush and his dog Barney arrive at the White House on Tuesday, Nov. 2, 2004 in Washington. (AP Photo/Evan Vucci)

President Bush and first lady Laura Bush are welcomed by their dog Barney as they return to the White House from a five-day trip in Europe to mark the 60th anniversary of the end of World War II, in Washington, Tuesday, May 10, 2005. After urging the spread of democracy at stops in Latvia, The Netherlands, Russia and Georgia, Bush returns to the White House to face domestic challenges with Congress on Social Security and his judicial nominees, as well as seeking help from China on getting North Korea back to negotiations on its nuclear weapons program. (AP Photo/J. Scott Applewhite)

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President Bush calls his dog Miss Beazley into the Oval Office of the White House in Washington, Wednesday, Jan. 24, 2007, prior to meeting with Gen. Dan McNeill, incoming commander for NATO's International Security Assistance Force in Afghanistan, not shown. (AP Photo/Ron Edmonds)

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President Bush calls his dog Miss Beazley to come into the Oval Office of the White House in Washington, Wednesday, Jan. 24, 2007 prior to his meeting with Gen. Dan McNeill, incoming Commander for NATO's International Security Assistance Force in Afghanistan, not shown. (AP Photo/Ron Edmonds)

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FILE - In this Feb. 3, 2003 file photo, President Bush slows his pace to wait for his dog Barney as he walks to the Oval Office at the White House in Washington, Monday, Feb. 3, 2003. Barney, former White House Scottish Terrier and star of holiday videos shot during President George W. Bush’s administration, has died after suffering from cancer, the former president announced in a statement Friday, Feb. 1, 2013. He was 12. (AP Photo/J. Scott Applewhite, File)

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FILE - This May 12, 2014 file photo speaks President Barack Obama speaks in the Oval Office of the White House in Washington. President Barack Obama on Friday marked the 60th anniversary of the Supreme Court's landmark Brown v. Board of Education school desegregation decision by recommitting to "the long struggle to stamp out bigotry and racism in all their forms." Obama also scheduled a meeting Friday with families of the plaintiffs as well as the lead attorneys and the NAACP Legal Defense Fund. Obama will host the group, including lawyers Jack Greenberg and William Coleman, in the White House East Room. Greenberg argued the case; Coleman was a leading legal strategist. (AP Photo, File)

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FILE - This May 12, 2014 file photo speaks President Barack Obama speaks in the Oval Office of the White House in Washington. President Barack Obama on Friday marked the 60th anniversary of the Supreme Court's landmark Brown v. Board of Education school desegregation decision by recommitting to "the long struggle to stamp out bigotry and racism in all their forms." Obama also scheduled a meeting Friday with families of the plaintiffs as well as the lead attorneys and the NAACP Legal Defense Fund. Obama will host the group, including lawyers Jack Greenberg and William Coleman, in the White House East Room. Greenberg argued the case; Coleman was a leading legal strategist. (AP Photo, File)

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Obama hand: Former Secretary of State Hillary Rodham Clinton will have to confront her past, including close ties with the current administration, if she wants a future in the White House. (Associated Press)