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Democratic presidential candidate Bill Clinton (L), his daughter Chelsea (C) and wife Hillary arrive in the capital of the state of Arkansas 03 November 1992. The Arkansas governor will remain in Little Rock for the rest of the election day. (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

Democratic presidential candidate Bill Clinton (L), his daughter Chelsea (C) and wife Hillary arrive in the capital of the state of Arkansas 03 November 1992. The Arkansas governor will remain in Little Rock for the rest of the election day.          (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)

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Presidential hopeful Bill Clinton is joined by his daughter Chelsea (L) and wife Hillary during his campaign for the presidency. (Photo by Brooks Kraft LLC/Sygma via Getty Images)

Presidential hopeful Bill Clinton is joined by his daughter Chelsea (L) and wife Hillary during his campaign for the presidency. (Photo by Brooks Kraft LLC/Sygma via Getty Images)

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US Presidential candidate Bill Clinton with wife Hillary and daughter Chelsea at the Democratic National Convention. (Photo by Larry Downing/Sygma/Sygma via Getty Images)

US Presidential candidate Bill Clinton with wife Hillary and daughter Chelsea at the Democratic National Convention. (Photo by Larry Downing/Sygma/Sygma via Getty Images)

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US President Bill Clinton leaves the Foundry Methodist Church in Washington 07 April after attending Easter services with his wife Hillary (C) and daughter Chelsea (R). (Photo credit should read PAMELA PRICE/AFP/Getty Images)

US President Bill Clinton leaves the Foundry Methodist Church in Washington 07 April after attending Easter services with his wife Hillary (C) and daughter Chelsea (R).        (Photo credit should read PAMELA PRICE/AFP/Getty Images)

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In this handout image provided by Barbara Kinney, (L-R) Marc Mezvinsky, U.S. Secretary of State Hillary Clinton, Chelsea Clinton and former U.S. President Bill Clinton pose during the wedding of Chelsea Clinton and Marc Mezvinsky at the Astor Courts Estate on July 31, 2010 in Rhinebeck, New York. Chelsea Clinton, the daughter of former U.S. President Bill Clinton and Secretary of State Hillary Clinton, married Marc Mezvinsky today in an interfaith ceremony at the estate built by John Jacob Astor on the Hudson River about two hours north of New York City.

In this handout image provided by Barbara Kinney, (L-R) Marc Mezvinsky, U.S. Secretary of State Hillary Clinton, Chelsea Clinton and former U.S. President Bill Clinton pose during the wedding of Chelsea Clinton and Marc Mezvinsky at the Astor Courts Estate on July 31, 2010 in Rhinebeck, New York. Chelsea Clinton, the daughter of former U.S. President Bill Clinton and Secretary of State Hillary Clinton, married Marc Mezvinsky today in an interfaith ceremony at the estate built by John Jacob Astor on the Hudson River about two hours north of New York City.