Republican presidential candidate Donald Trump gestures while speaking during a rally at Radford University in Radford, Va., Monday, Feb. 29, 2016.
Republican presidential candidate Donald Trump gestures while speaking during a rally at Radford University in Radford, Va., Monday, Feb. 29, 2016. Steve Helber AP
Republican presidential candidate Donald Trump gestures while speaking during a rally at Radford University in Radford, Va., Monday, Feb. 29, 2016. Steve Helber AP

GOP groups race to stop Trump – before he can clinch

February 29, 2016 6:44 PM