Republican presidential candidate Donald Trump reacts to supporters after meeting with volunteers at the local Pizza Ranch restaurant, Jan. 15, 2016, in Waukee, Iowa.
Republican presidential candidate Donald Trump reacts to supporters after meeting with volunteers at the local Pizza Ranch restaurant, Jan. 15, 2016, in Waukee, Iowa. Charlie Neibergall Associated Press
Republican presidential candidate Donald Trump reacts to supporters after meeting with volunteers at the local Pizza Ranch restaurant, Jan. 15, 2016, in Waukee, Iowa. Charlie Neibergall Associated Press

It may be too late for GOP to stop Trump

January 15, 2016 04:08 PM