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DES MOINES, IA - FEBRUARY 01: Republican presidential candidate Donald Trump speaks at his Iowa Caucus night gathering February 1, 2016 in Des Moines, Iowa. Sen. Ted Cruz (R-TX) has won the Iowa Republican Caucus. (Photo by Scott Olson/Getty Images)
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JOHNSTON, IA - JANUARY 31: Democratic Presidential Candidate Martin O'Malley speaks to potential supporters at a residence on January 31, 2016 in Johnston, Iowa. O'Malley and other candidates are making their final appeals to voters ahead of the Iowa caucus February 1. (Photo by Steve Pope/Getty Images)
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