see more

George W. Bush and Wife Laura (Photo by David Woo/Sygma via Getty Images)

George W. Bush and Wife Laura (Photo by David Woo/Sygma via Getty Images)

see more

KENNEBUNKPORT, ME - JUNE 13: (L-R) Laura Bush, Texas Governor George W. Bush and former U.S. President George H.W. Bush meet the press at Walkers Point the President's summer home, June 13, 1999 in Kennebunkport, Maine. Gov. Bush had announced that he was running for president. (Photo by David Hume Kennerly/Getty Images)

KENNEBUNKPORT, ME - JUNE 13: (L-R) Laura Bush, Texas Governor George W. Bush and former U.S. President George H.W. Bush meet the press at Walkers Point the President's summer home,  June 13, 1999 in Kennebunkport, Maine.  Gov. Bush had announced that he was running for president. (Photo by David Hume Kennerly/Getty Images)

see more

CRAWFORD, UNITED STATES: US President George W. Bush and First Lady Laura Bush (L), smiles as he updates the media in Crawford, Texas, after visiting with local volunteers 16 August 2002. Bush down played reservations from key figures in his Republican Party about a possible US military strike against Iraq. "We'll continue to consult . . . People should be allowed to express their opinion. But America needs to know I'll be making up my mind based upon the latest intelligence, and how best to protect our own country plus our friends and allies," Bush told reporters 16 August 2002. AFP PHOTO/Paul J. RICHARDS (Photo credit should read PAUL J. RICHARDS/AFP via Getty Images)

CRAWFORD, UNITED STATES:  US President George W. Bush and First Lady Laura Bush (L), smiles as he updates the media in Crawford, Texas, after visiting with local volunteers 16 August 2002. Bush down played reservations from key figures in his Republican Party about a possible US military strike against Iraq. "We'll continue to consult . . . People should be allowed to express their opinion. But America needs to know I'll be making up my mind based upon the latest intelligence, and how best to protect our own country plus our friends and allies," Bush told reporters 16 August 2002.                AFP PHOTO/Paul J. RICHARDS (Photo credit should read PAUL J. RICHARDS/AFP via Getty Images)

see more

CRAWFORD, TX - MAY 10: In this handout image provided by the White House, U.S. President George W. Bush and Mrs. Laura Bush pose with daughters Jenna (R) and Barbara (L) prior to the wedding of Jenna and Henry Hager May 10, 2008 near Crawford, Texas. (Photo by Shealah Craighead/The White House via Getty Images)

CRAWFORD, TX - MAY 10:  In this handout image provided by the White House, U.S. President George W. Bush and Mrs. Laura Bush pose with daughters Jenna (R) and Barbara (L) prior to the wedding of Jenna and Henry Hager May 10, 2008 near Crawford, Texas.  (Photo by Shealah Craighead/The White House via Getty Images)

see more

WASHINGTON, DC - SEPTEMBER 24: President Barack Obama watches first lady Michelle Obama embracing former president George Bush, accompanied by his wife, former first lady Laura Bush, while participating in the dedication of the National Museum of African American History and Culture September 24, 2016 in Washington, DC, before the museum opens to the public later that day. The museum is a Smithsonian Institution museum located on the National Mall featuring African American history and culture in the US. (Photo by Astrid Riecken/Getty Images)

WASHINGTON, DC - SEPTEMBER 24: President Barack Obama watches first lady Michelle Obama embracing former president George Bush, accompanied by his wife, former first lady Laura Bush, while participating in the dedication of the National Museum of African American History and Culture September 24, 2016 in Washington, DC, before the museum opens to the public later that day. The museum is a Smithsonian Institution museum located on the National Mall featuring African American history and culture in the US. (Photo by Astrid Riecken/Getty Images)