Jerry Dunleavy stands inside his dorm room at "Camp Cruz," on the campus of AIB College of Business in Des Moines. Dunleavy, from Cleveland, quit his job and went to Iowa, leaving everything behind, to campaign for Ted Cruz. Clay Masters/Iowa Public Radio hide caption

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'Camp Cruz': The Surplus Iowa Dorm Filled With Cruz Volunteers

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Former Pennsylvania Sen. Rick Santorum campaigning in Des Moines, Iowa. Andrew Harnik/AP hide caption

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Santorum Struggles To Regain 2012 Momentum

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Gas stations across Iowa, like this Casey's General Store in Des Moines, boast ethanol as "cleaner air for Iowa." Clay Masters/Iowa Public Radio hide caption

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Got Corn? Ethanol Is No Longer King In Iowa Among Candidates

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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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Ex-Iowa State Sen. Kent Sorenson defected from Michele Bachmann's campaign before the 2012 Iowa caucuses. In a 2014 plea deal, he admitted that he lied about payments from the Ron Paul campaign. Charles Dharapak/AP hide caption

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Big Money And Backstabbing Have Become Part Of The Iowa Game

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Republican presidential candidate and Wisconsin Gov. Scott Walker speaks at the Iowa State Fair, where he encountered protesters over his record in Wisconsin. Charlie Neibergall/AP hide caption

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Democratic presidential candidate Hillary Clinton speaks at the Iowa Democratic Wing Ding at the Surf Ballroom on Friday. Appearing at the Iowa State Fair on Saturday, she said the controversy over her emails was the "usual" politics. Charlie Riedel/AP hide caption

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Brenda Hummel and her 7-year-old daughter Andrea in their home near Des Moines, Iowa. Andrea was born with severe epilepsy and gets her health care through Medicaid. Clay Masters/Iowa Public Radio hide caption

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Patients In Iowa Worry About Private Management Of Medicaid

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As candidates, staff and media flood Iowa, there will inevitably be photo ops with grain silos and bales of hay. Justin Sullivan/Getty Images hide caption

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The Iowa Beyond Hay Bales, Corn Fields And Deep-Fried Butter

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Men in hazardous materials suits load dead poultry to be buried at Rose Acre Farms Inc., just west of Winterset, Iowa, on May 11. John Gaps III/AP hide caption

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Avian Flu Outbreak Takes Poultry Producers Into Uncharted Territory

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Wisconsin Gov. Scott Walker offers cheese and ice cream to guests in his hospitality room at the Iowa Lincoln Day Dinner in Des Moines on Saturday. Charlie Neibergall/AP hide caption

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A view of the eastern entrance to the Ohio Statehouse. Bob Hall/Flickr hide caption

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States Aim To Restrict Medically Induced Abortions

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