Sarah Palin, the GOP candidate for vice president in 2008 and a former Alaska governor, delivers the keynote address to activists from America's political right at the Conservative Political Action Conference (CPAC) in Washington, Feb. 11, 2012. Ms. Palin is out as a Fox News Channel contributor.
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Timothy Jacques of Bellvue, Neb., stands in the rain while waiting for former Alaska Gov. Sarah Palin to speak to tea party members during the Restoring America event, Saturday, Sept. 3, 2011, in Indianola, Iowa.
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Julianne Moore portrays Sarah Palin (l.) and Woody Harrelson portrays campaign strategist Steve Schmidt in a scene from 'Game Change,' a film about Palin and the 2008 presidential race, premiering March 10, 2012, on HBO.
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Sarah Palin, former GOP vice presidential candidate and Alaska governor, with her daughter Piper (c.) answers a reporter's question at the beginning of Rolling Thunder at the Pentagon May 29, 2011, during Memorial Day weekend in Washington.
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Sarah Palin holds out her palm to show the notes on it while speaking at a fundraising dinner at California State University, Stanislaus in Turlock, Calif., June 25, 2010.
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Rob Schumacher/The Arizona Republic/AP
Sen. John McCain (r.) and Sarah Palin, former Alaska governor and Republican vice presidential nominee, make a campaign appearance at the Pima County Fairgrounds in Tucson, Ariz. Palin backed McCain in his Republican primary race in 2010 against former US Rep. J.D. Hayworth.
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Sarah Palin holds her son Trig and watches fireworks on a beach in Dillingham, Alaska, as daughter Piper holds Ms. Palin's grandson, Tripp Johnston, as part of a documentary for the TLC channel, July 4, 2010. 'Sarah Palin's Alaska' portrays the show's heroine as a folksy wife and mother enjoying a whirlwind of adventures amid spectacular settings in her home state.
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Mary Knox Merrill / The Christian Science Monitor
Republican vice presidential candidate Sarah Palin (r.) appears with Republican presidential nominee Sen. John McCain, while Palin's family stands at left after her speech at the Republican National Convention in St. Paul, Minn., Sept. 3, 2008.