Former First Lady Barbara Bush (L) talking to her dog Millie (C) as she and granddaughter Barbara Bush (R), age nine, wait for US President George Bush to return to the White House. (Photo credit: JENNIFER LAW/AFP/Getty Images)
2008 Republican National Convention: Day 2
Former first lady Barbara Bush attends day two of the Republican National Convention in 2008. (Photo by Scott Olson/Getty Images)
President Bush returns to Washington with members of his family
(L-R) Former first lady Barbara Bush, First Lady Laura Bush and daughter Barbara Bush arrive at the White House on May 11, 2008. (Photo by Mike Theiler-Pool/Getty Images)
Super Bowl XXXIX
President George H.W. Bush and First Lady Barbara Bush walk on the field before the start of Super Bowl XXXIX between the New England Patriots and the Philadelphia Eagles at Alltel Stadium on February 6, 2005 in Jacksonville, Florida. (Photo by Jed Jacobsohn/Getty Images)
U.S. President George Bush (C), First Lady Barbara
Then-President George Bush (C), First Lady Barbara Bush (R) and Vice President Dan Quayle (L) wave to a welcoming crowd at the White House in 1992. (Photo credit should read ROBERT GIROUX/AFP/Getty Images)
George W. Bush, son of the US President George Bus
George W. Bush, son of the then-US President George Bush, playfully steps upon his father while he warms up for a run at Fort McNaire Army base while his mother Barbara (R) and US Secret Service agents look on. (Photo credit should read KEVIN LARKIN/AFP/Getty Images)
US President George W. Bush (3L) and Fir
The Bush family awaits election results on election night in 2004. (Photo credit should read STEPHEN JAFFE/AFP/Getty Images)
US First Lady Hillary Clinton (C) and former First
Former First Ladies Hillary Clinton (C) and (L-R) Lady Bird Johnson, Barbara Bush, Betty Ford, and Nancy Reagan walk together to the platform during the opening celebrations of the George Bush Library. (Photo credit should read JOHN MOTTERN/AFP/Getty Images)
NLCS: St. Louis Cardinals v Houston Astros Game 4
Former first lady Barbara Bush throws out the first pitch before game four of National League Championship Series between the St. Louis Cardinals and the Houston Astros during the 2004 Major League Baseball Playoffs. (Photo By Stephen Dunn/Getty Images)
GOP Convention Continues in NYC
Former President George H.W. Bush (R) and his wife Barbara cheer as their daughter-in-law takes the stage on night two of the Republican National Convention August 31, 2004. (Photo by Alex Wong/Getty Images)
President Bush Visits Maine Home
Former Presidents George W. Bush and George H.W. Bush ride on Segway scooters as former first lady Barbara Bush walks at their family home June 12, 2003 in Kennebunkport, Maine. (Photo by John Mottern/Getty Images)
Bush Family Portrait, Summer 1955
George W. Bush (C) poses with father George Bush and his mother Barbara Bush in Rye, New York, summer 1955. (Photo by Newsmakers)
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Portrait of the Bush family in front of their Kennebunkport, Maine August 24, 1986. (Photo by Newsmakers
George And Barbara Bush Relax With Family
George Bush and his wife Barbara sit in their bed as six of their fourteen grandchildren play around them in Washington, D.C. (Photo by Liaison)
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An infant George W. Bush with his mother Barbara Bush and his father George Bush posing for a portrait in New Haven, CT, April 1947. (Photo by Newsmakers)
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Barbara Bush and George Bush pose with children Neil Bush, George W. Bush, Jeb Bush and Marvin Bush in 1956. (Photo by Newsmakers)
George Bush
12 Dec 1998: Former President George Bush sits by a tree with wife Barbara as they watch the 1998 Presidents Cup at the Royal Melbourne Golf Course in Melbourne, Australia. (Credit: Nick Wilson /Allsport)
