In that case, there are others ready, willing and able to take up the mantle - if only the GOP establishment has the guts and brains to do it!
Unfortunately, it doesn't. After all, these are the same clueless, ideologically centerless schmucks who carried their last three heroes and big losers - Gerald Ford, Bob Dole, and John McCain - across the finish line to certain electoral disaster.
I'm guessing that Obama's holding his best cards for later in the game. With all his resources... the IRS, the FBI, the CIA, etc., I'm willing to bet he has lots of material waiting for the right moment. Of course he'll do the same no matter what candidate we have, so we just need to fight back.