Chelsea Clinton

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Chelsea Clinton, former first daughter, already is crafting a consistent message and talking points, a seeming indicator she's drawn to public life. She told CNN she has sought a "purposefully public life." (Associated Press)

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** FILE ** Chelsea Clinton speaks at the third day of the Clinton Global Initiative University conference at Gateway STEM High School in St. Louis on April 7, 2013. (Associated Press/St. Louis Post-Dispatch, Christian Gooden)

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** FILE ** NBC's Brian Williams, host of "Rock Center with Brian Williams," interviews Chelsea Clinton, daughter of former President Bill Clinton and former Secretary of State Hillary Clinton, on Dec. 12, 2012, in New York. (Associated Press)

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Chelsea Clinton

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Chelsea Clinton

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Joy, center, and Gerry Gallagher, of Rhinebeck inspect a sign and photos commemorating Chelsea Clinton's wedding in the window of Pete's Famous restaurant, Wednesday, July 28, 2010 in Rhinebeck, N.Y. Chelsea Clinton and her parents have not yet confirmed that the former first daughter's wedding is being held in Rhinebeck Saturday. Still, signs congratulating her hang in shop windows, residents are talking to TV crews and officials are bracing for crowds.(AP Photo/Mary Altaffer)

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Former President Bill Clinton walks his daughter, Chelsea, down the aisle at her wedding to Marc Mezvinsky on Saturday, July 31, 2010, in Rhinebeck, N.Y. (AP Photo/Genevieve de Manio Photography, Genevieve de Manio)

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** FILE ** Marc Mezvinsky (from left); his new mother-in-law, Hillary Rodham Clinton; his bride, Chelsea Clinton; and his new father-in-law, former President Bill Clinton, are pictured after the couple's wedding on Saturday, July 31, 2010, in Rhinebeck, N.Y. (AP Photo/Genevieve de Manio Photography, Barbara Kinney)

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In this photo provided by Genevieve de Manio Photography, Chelsea Clinton and Marc Mezvinsky are seen during their wedding, Saturday, July 31, 2010 in Rhinebeck, N.Y. Chelsea Clinton wed her longtime boyfriend under extraordinary security at an elegant Hudson River estate late Saturday. (AP Photo/Genevieve de Manio )