Oh okay ... if you really want a political candidate to take shots at, how about Keyes, Phillips, or Buchanan. I'm not lock-stepping with any of them, but I'd vote for any of the above in a heartbeat without worrying that I'd sold out.
So anyone but Bush or the GOP. Hey go for it. You have not "sold out" you have just given yourself bragging rights to criticize anyone actually elected. But hey it is really fun to be in that position. Whatever floats your boat.