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374942 01: (FILE PHOTO) Barbara Bush and George Bush pose with children Neil Bush, George W. Bush, Jeb Bush and Marvin Bush in 1956. George W. Bush is currently campaigning for the Republican party for the presidencial election in November 2000. (Photo by Newsmakers)

374942 01: (FILE PHOTO)  Barbara Bush and George Bush pose with children Neil Bush, George W. Bush, Jeb Bush and Marvin Bush in 1956. George W. Bush is currently campaigning for the Republican party for the presidencial election in November 2000.  (Photo by Newsmakers)

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(Original Caption) B. and G. Bush and 4 of their children at the 1964 Republican convention (G.W. Bush not in photo). (Photo by Robert Daemmrich Photography Inc/Sygma via Getty Images)

(Original Caption) B. and G. Bush and 4 of their children at the 1964 Republican convention (G.W. Bush not in photo). (Photo by Robert Daemmrich Photography Inc/Sygma via Getty Images)

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George Herbert Walker Bush poses with his wife Barbara during his campaign for Congress in the 1960's. Born 12 June 1924 in Milton, Massachussetts, George Bush Yale graduated with a degree in Economics in 1948, made a fortune drilling oil before entering politics in 1964. US Congressman from Texas (1966-1970), ambassador to the United nations (1971-1974), Special Envoy to China (1974-1975), Republican National Chairman (1975-1976), Central Intelligence Agency (CIA) director (1976-1977), vice president of the US (1981-1959) George Bush is eventually elected president of the US 08 November 1988 against Democratic nominee Michael Dukakis. AFP PHOTO/WHITE HOUSE (Photo credit should read /AFP/Getty Images)

George Herbert Walker Bush poses with his wife Barbara during his campaign for Congress in the 1960's.  Born 12 June 1924 in Milton, Massachussetts, George Bush Yale graduated with a degree in Economics in 1948, made a fortune drilling oil before entering politics in 1964. US Congressman from Texas (1966-1970), ambassador to the United nations (1971-1974), Special Envoy to China (1974-1975), Republican National Chairman (1975-1976), Central Intelligence Agency (CIA) director (1976-1977), vice president of the US (1981-1959) George Bush is eventually elected president of the US 08 November 1988 against Democratic nominee Michael Dukakis.  AFP PHOTO/WHITE HOUSE        (Photo credit should read /AFP/Getty Images)

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From left to right: Columba Bush, Noelle Bush, Jeb Bush, Jeb Bush Jr., George Prescott Bush, Leblond baby, Dorothy Leblond, William Leblond, Sam Leblond, Neil Bush, his child, Lauren Bush, Sharon Bush, Marvin Bush, Marshall Bush, Margaret Bush, Barbara Bush, Jenna Bush, George Bush, George Bush Jr., Barbara Bush Jr. and Laura Bush on vacation in Kennebunkport. (Photo by jean-Louis Atlan/Sygma via Getty Images)

From left to right: Columba Bush, Noelle Bush, Jeb Bush, Jeb Bush Jr., George Prescott Bush, Leblond baby, Dorothy Leblond, William Leblond, Sam Leblond, Neil Bush, his child, Lauren Bush, Sharon Bush, Marvin Bush, Marshall Bush, Margaret Bush, Barbara Bush, Jenna Bush, George Bush, George Bush Jr., Barbara Bush Jr. and Laura Bush on vacation in Kennebunkport. (Photo by jean-Louis Atlan/Sygma via Getty Images)