Republican presidential candidate Sen. Ted Cruz, R-Texas, greets a member of the audience after speaking at a rally at the Five Sullivan Brothers Convention Center in Waterloo, Iowa, Saturday, Jan. 23, 2016.
Republican presidential candidate Sen. Ted Cruz, R-Texas, greets a member of the audience after speaking at a rally at the Five Sullivan Brothers Convention Center in Waterloo, Iowa, Saturday, Jan. 23, 2016. Andrew Harnik AP
Republican presidential candidate Sen. Ted Cruz, R-Texas, greets a member of the audience after speaking at a rally at the Five Sullivan Brothers Convention Center in Waterloo, Iowa, Saturday, Jan. 23, 2016. Andrew Harnik AP