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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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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DES MOINES, IA - FEBRUARY 01: Republican presidential candidate Sen. Ted Cruz (R-TX) reaches out to supporters after winning at the caucus night gathering at the Iowa State Fairgrounds on February 1, 2016 in Des Moines, Iowa. Cruz beat out businessman Donald Trump and Sen. Marco Rubio (R-FL), who finished just behind Trump. (Photo by Christopher Furlong/Getty Images)
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