BLOOMINGTON, IL - MARCH 13:  Republican presidential candidate Donald Trump pulls Alex Stypik from a crowd of supporters to show off his shirt during a rally at the Central Illinois Regional Airport on March 13, 2016 in Bloomington, Illinois. The Trump campaign cancelled a recent rally in Chicago after learning hundreds of demonstrators were ticketed for the event. Illinois voters go to the polls on March 15.  (Photo by Scott Olson/Getty Images)