Republican presidential candidate Donald Trump speaks during a news conference, Tuesday, Aug. 25, 2015, in Dubuque, Iowa.
Republican presidential candidate Donald Trump speaks during a news conference, Tuesday, Aug. 25, 2015, in Dubuque, Iowa. Charlie Neibergall AP
Republican presidential candidate Donald Trump speaks during a news conference, Tuesday, Aug. 25, 2015, in Dubuque, Iowa. Charlie Neibergall AP