The Hillary Matching Game

Match the politician with the observed behavior:
1.  ______  Refuse to acknowledge you're losing despite evidence to the contrary. 
2.  ______  Put all of your chips on state(s) with large number of delegates; lose big in the rest.
3.  ______  Stay in the race after the prospect of winning becomes impossible or improbable.
A) Mike Huckabee
B) President George W. Bush
C) Rudy Giuliani