Politics

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Former first lady Barbara Bush responds during an AP interview in her suite on Sept. 13, 1994 at the Waldorf Astoria Hotel in New York. The interview is in connection with her published book. (AP Photo/Marty Lederhandler)

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President George Bush and first lady Barbara Bush walk with Millie across the South Lawn as they return to the White House on Aug. 24, 1992. Millie, a springer spaniel who was "first dog" in the Bush White House and namesake of a book that offered a dog's-eye view of the presidency, died Monday, May 19, 1997, at the Bush summer home in Maine. She was 12. (AP Photo/Scott Applewhite)

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FILE - In this Aug. 18, 1992, file photo, first lady Barbara Bush reacts to Sen. Phil Gramm, who delivered the keynote address to the Republican National Convention at the Houston Astrodome. Expecting Ann Romney and Michelle Obama to take the stage to assure Americans that their men are swell husbands and fathers may sound like a holdover from the 1950s, but it’s a relatively recent political convention tradition. It wasn’t until 1992 that Bush pioneered the wifely testimonial. She was assigned a prime Republican convention slot in hopes that her matronly charm would steady her husband's wobbly re-election bid. (AP Photo/Marcy Nighswander, File)

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Then-President George H.W. Bush waves as he and first lady Barbara Bush leave the White House in Washington, Nov. 5, 1992, for a weekend trip to Camp David, Maryland. (AP Photo/Wilfredo Lee) ** FILE **

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Former first ladies Barbara Bush, left, and Laura Bush, take part in the Enduring Legacies of America’s First Ladies conference Thursday, Nov. 15, 2012, in Austin, Texas. Family members, former staff members, historians, and White House insiders were also spoke as part of the program. (AP Photo/David J. Phillip)

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Former first lady Barbara Bush attends a ceremony to unveil a new garden named in her honor, Thursday, Sept 29, 2011, in Kennebunkport, Maine. A local group donated Ganny's Garden – Barbara Bush' grandchildren call her Ganny – on the town green. It features flowers, greens and 17 trees in honor of the Bushes' 17 grandchildren. (AP Photo/Robert F. Bukaty)

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Former President George H.W. Bush, right, and his wife Barbara during the fourth inning of a Major League Baseball game Saturday, April 18, 2009 in Houston. (AP Photo/David J. Phillip)

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President George W. Bush, left, Barbara Bush, center, and former President George H.W. Bush, right, stand during a commencement ceremony at Texas A&M University on Friday, Dec. 12, 2008, in College Station, Texas. (AP Photo/Evan Vucci)

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President George W. Bush, right, talks with his mother, former first lady Barbara Bush, left, during a commencement ceremony at Texas A&M University Friday, Dec. 12, 2008, in College Station, Texas. (AP Photo/David J. Phillip)

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Mrs. Barbara Bush, the forthcoming first lady of America, seen with her dog Millie at the beach in Florida. Undated Photo. (AP Photo)

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President Bush stands with his father, former President Bush, right, and his mother, Barbara Bush in Fort Hood, Texas Sunday, April 8, 2007. (AP Photo/Gerald Herbert)

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Former President George H. W. Bush and his wife Barbara Bush, arrive at the christening ceremony of the George H. W. Bush (CVN 77) aircraft carrier in Newport News, Va., Saturday, Oct.. 7, 2006. (AP Photo/Lawrence Jackson)

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Former President George Bush, right, walks with former first lady Barbara Bush after delivering a speech to the International Union Against Cancer World Cancer Congress, Saturday, July 8, 2006 in Washington. Bush and his wife, Barbara, lost a child to cancer 53 years ago, but they're still fighting for cancer research and prevention. (AP Photo/Evan Vucci)

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Former first lady Barbara Bush pauses during a speech to the International Union Against Cancer World Cancer Congress, Saturday, July 8, 2006 in Washington. Former President George H.W. Bush and his wife, Barbara, lost a child to cancer 53 years ago, but they're still fighting for cancer research and prevention. (AP Photo/Evan Vucci)

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Former President George H.W. Bush, prepares to exchange a kiss with former first lady Barbara Bush after she introduced the former president at the Genesis Women's Shelter Mother's Day Luncheon in Dallas, Tuesday, May 3, 2006. The Bushes were the featured speakers at the event. (AP Photo/Tony Gutierrez))

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Former First lady Barbara Bush chats with a person in attendance at the dedication ceremony of the George W. Bush childhood home in Midland, Texas, Tuesday, April 11, 2006. (AP Photo/Tony Gutierrez)

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Former first lady Barbara Bush listens to her son, President Bush, as he advances his Social Security reform proposals before a hand-picked audience at the Lake Nona YMCA Family Center in Orlando, Fla., Friday, March 18, 2005. In a state with a large population of retirees, Bush wants to assure seniors that they will continue to receive their regular government checks, while he pushes for a system of private accounts which would enable younger workers to divert a portion of their payroll taxes from Social Security deductions and into stock market investments to bankroll their retirement. (AP Photo/J. Scott Applewhite)