Sen. Ted Cruz attends campaign event with Glenn Beck in Ankeny, Iowa

Supporters of Texas Sen. Ted Cruz, 2016 Republican presidential candidate cheer his remarks during a "Keep the Promise" rally at Faith Baptist Bible College, January23, 2016, in Ankeny, Iowa. Cruz is running against a large field of GOP candidates, including real estate mogul Donald J. Trump, Florida Sen. Marco Rubio and retired neurosurgeon Ben Carson ahead of Iowa's first-in-the-nation caucuses, February 1. Photo by Mike Theiler/UPI