HUMBOLDT, IA - JANUARY 7: Republican presidential candidate U.S. Sen. Ted Cruz (R-TX) from Texas and 2016 presidential candidate, speaks at a campaign stop on his 'Cruzin to Caucus' bus tour on January 7, 2016 in Humboldt, Iowa. Cruz began a six-day bus tour of Iowa ahead of the state's February 1, caucuses. (Photo by Steve Pope/Getty Images)
