The GOP establishment doesn't pick the nominee -- the only reason anyone gets the nomination is that they get the most delegates during the primaries.
Romney Says: We “Had to Steal the Republican Nomination” from Ron Paul.
I seem to also recall retroactive rule changes for the primaries/delegates, and there was the funny-business all at the `12 RNC [the bus incident, the teleprompter/voice-vote incident, etc].
Yeah, and next time break the Prozacs in half.