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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Florida Sen. Marco Rubio may have finished third, but he had a better-than-expected night in Iowa, thanks in part to larger turnout and evangelical voters. Pete Marovich/Getty Images hide caption

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Republican presidential candidates, from left to right, Sen. Marco Rubio, R-Fla., Donald Trump and Sen. Ted Cruz, R-Texas participate in the sixth GOP debate on Jan. 14 in North Charleston, S.C. Scott Olson/Getty Images hide caption

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Big Tex at the State Fair of Texas in Dallas. Patricia Marroquin/Moment Editorial/Getty Images hide caption

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Sen. Ted Cruz, R-Texas, is among a hand of Republican Presidential candidates to weigh in on the shooting at a Colorado-based Planned Parenthood clinic over the weekend. John Raoux/AP hide caption

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Sen. Marco Rubio, R-Fla., left, and Ben Carson have surged ahead of other GOP candidates, like former Florida Gov. Jeb Bush, to take center stage with Donald Trump at next week's GOP debate. Andrew Harnik/AP hide caption

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Rep. Paul Ryan told GOP lawmakers that he will run for speaker, but only if they embrace him by week's end as their consensus candidate, an ambitious bid to impose unity on a disordered and divided Republican conference. Andrew Harnik/AP hide caption

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Rep. Daniel Webster, R-Fla. leaves a House Republican special leadership election meeting on Capitol Hill in Washington on Thursday. House Speaker John Boehner, R-Ohio, is stepping down and retiring from Congress at the end of the month after nearly five years in the role. Andrew Harnik/AP hide caption

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Wisconsin Gov. Scott Walker speaks at a news conference Monday in Madison, Wis., where he announced that he is suspending his Republican presidential campaign. Morry Gash/AP hide caption

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