Republican presidential candidate Jim Gilmore greets voters Tuesday outside the polling place at Webster School in Manchester, N.H. He got 134 votes in the Granite State, fewer than three bigger-name candidates who already had dropped out of the race. Scott Eisen/Getty Images hide caption

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Republican presidential candidates, from right, Ohio Gov. John Kasich, former Florida governor Jeb Bush and Sen. Marco Rubio, R-Fla., participate Jan. 28 in a GOP debate in Des Moines, Iowa. Rubio's strong third-place finish in Iowa has given him momentum and more backing from the same establishment Republicans that Bush and Kasich need for their campaigns to survive. Scott Olson/Getty Images hide caption

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Former first lady Barbara Bush, mother of Republican presidential candidate Jeb Bush, campaigns with her son at a town hall meeting at West Running Brook Middle School in Derry, N.H. Jacquelyn Martin/AP hide caption

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Barbara Bush jokes with her son, Republican presidential candidate Jeb Bush, while introducing him at a town hall meeting in Derry, N.H. Jacquelyn Martin/AP hide caption

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Barbara Bush Hits The Trail For Son Jeb Bush
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Jeb Bush holds a campaign town hall meeting at the Alpine Club on Monday in Manchester, N.H. Chip Somodevilla/Getty Images hide caption

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Heading Into New Hampshire, GOP 'Front-Runners' Are Anything But
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During more cordial times, Donald Trump (left) talks with New Hampshire Union Leader Publisher Joe McQuaid during a Politics and Eggs breakfast in Manchester, N.H., in 2014. Jim Cole/AP hide caption

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New Hampshire Newspaper Publisher: 'Trump Has Overturned The Table'
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Donald Trump has broken all of the rules of campaigning in New Hampshire but still leads the polls there. A vendor sells Trump buttons at a rally in Concord this month. Allegra Boverman/NHPR hide caption

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Pinch Me? Some Republicans Wonder If Trump's Campaign Is An 'Ambien Dream'
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Republican presidential candidate Sen. Marco Rubio, R-Fla. holds a rifle during a campaign stop Jan. 15, 2016, at Sturm, Ruger & Co., in Newport, N.H. Matt Rourke/AP hide caption

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Establishment Republicans Scramble To Top Trump
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Republican presidential candidate Jeb Bush speaks with NPR's Steve Inskeep on Wednesday in Boston. Kayana Szymczak for NPR hide caption

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Jeb Bush Says Voters' Passions For Trump Will Pass
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Art work by Anne Marie Zanfagna at the First Baptist Church of Plaistow on Dec. 20, in Plaistow, N.H. Tamara Keith/NPR hide caption

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Portraits Of Those Killed By Heroin Bring Healing And Awareness
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