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Official Portrait of First Lady Hillary Clinton (Photo by Jeffrey Markowitz/Sygma via Getty Images)

Official Portrait of First Lady Hillary Clinton (Photo by Jeffrey Markowitz/Sygma via Getty Images)

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Washington, DC. March 1996 First Lady Hillary Rodham Clinton addresses the Council on Aging. Credit: Mark Reinstein (Photo by Mark Reinstein/Corbis via Getty Images)

Washington, DC. March 1996 First Lady Hillary Rodham Clinton addresses the Council on Aging. Credit: Mark Reinstein (Photo by Mark Reinstein/Corbis via Getty Images)

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Clinton Family Attends the Christmas Tree Lighting Ceremony at the White House (Photo by Jeffrey Markowitz/Sygma via Getty Images)

Clinton Family Attends the Christmas Tree Lighting Ceremony at the White House (Photo by Jeffrey Markowitz/Sygma via Getty Images)

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Hillary Clinton Proposes Health Care Reform to Congress (Photo by Jeffrey Markowitz/Sygma via Getty Images)

Hillary Clinton Proposes Health Care Reform to Congress (Photo by Jeffrey Markowitz/Sygma via Getty Images)

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WASHINGTON, DC - MARCH 31: Former U.S. Secretary of State Hillary Clinton smiles while receiving a standing ovation before delivering remarks at Georgetown University March 31, 2017 in Washington, DC. Clinton spoke before presenting the 2017 Hillary Rodham Clinton Awards for Advancing Women in Peace and Security ceremony hosted by the Georgetown Institute for Women, Peace and Security. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - MARCH 31:  Former U.S. Secretary of State Hillary Clinton smiles while receiving a standing ovation before delivering remarks at Georgetown University March 31, 2017 in Washington, DC. Clinton spoke before presenting the 2017 Hillary Rodham Clinton Awards for Advancing Women in Peace and Security ceremony hosted by the Georgetown Institute for Women, Peace and Security.  (Photo by Win McNamee/Getty Images)