Rafael Cruz, father of Republican presidential candidate Sen. Ted Cruz, R-Texas, speaks before his takes the stage as he campaigns Tuesday, Dec. 22, 2015, in Knoxville, Tenn.
Rafael Cruz, father of Republican presidential candidate Sen. Ted Cruz, R-Texas, speaks before his takes the stage as he campaigns Tuesday, Dec. 22, 2015, in Knoxville, Tenn. Wade Payne AP
Rafael Cruz, father of Republican presidential candidate Sen. Ted Cruz, R-Texas, speaks before his takes the stage as he campaigns Tuesday, Dec. 22, 2015, in Knoxville, Tenn. Wade Payne AP