Republican presidential candidate Donald Trump acknowledges the crowd as he walks onstage for a rally at the Surf Ballroom in Clear Lake, Iowa, Saturday, Jan. 9, 2016. (AP Photo/Patrick Semansky)
Republican presidential candidate Donald Trump acknowledges the crowd as he walks onstage for a rally at the Surf Ballroom in Clear Lake, Iowa, Saturday, Jan. 9, 2016. (AP Photo/Patrick Semansky)