Republican presidential candidate, Sen. Ted Cruz, R-Texas smiles while listening to his introduction at a campaign event, Friday, Jan. 29, 2016, in Emmetsburg, Iowa.
Republican presidential candidate, Sen. Ted Cruz, R-Texas smiles while listening to his introduction at a campaign event, Friday, Jan. 29, 2016, in Emmetsburg, Iowa. Jae C. Hong AP
Republican presidential candidate, Sen. Ted Cruz, R-Texas smiles while listening to his introduction at a campaign event, Friday, Jan. 29, 2016, in Emmetsburg, Iowa. Jae C. Hong AP