FILE: In this Dec. 10, 2015 file photo, Republican presidential candidate Sen. Ted Cruz, R-Texas speaks in Washington. Donald Trump will be standing at center stage, but Cruz will be in the spotlight during Tuesday’s Republican presidential debate. The Texas senator is challenging Trump’s lead in Iowa, and has the money, campaign infrastructure and conservative appeal to compete deep into the GOP primary season. (AP Photo/Pablo Martinez Monsivais, File)
FILE: In this Dec. 10, 2015 file photo, Republican presidential candidate Sen. Ted Cruz, R-Texas speaks in Washington. Donald Trump will be standing at center stage, but Cruz will be in the spotlight during Tuesday’s Republican presidential debate. The Texas senator is challenging Trump’s lead in Iowa, and has the money, campaign infrastructure and conservative appeal to compete deep into the GOP primary season. (AP Photo/Pablo Martinez Monsivais, File) Pablo Martinez Monsivais AP
FILE: In this Dec. 10, 2015 file photo, Republican presidential candidate Sen. Ted Cruz, R-Texas speaks in Washington. Donald Trump will be standing at center stage, but Cruz will be in the spotlight during Tuesday’s Republican presidential debate. The Texas senator is challenging Trump’s lead in Iowa, and has the money, campaign infrastructure and conservative appeal to compete deep into the GOP primary season. (AP Photo/Pablo Martinez Monsivais, File) Pablo Martinez Monsivais AP