I think he’s working for Hillary. He’ll bow out and declare her the best woman for the job ... once he thoroughly humiliates Obama. By courting the Tea Party now he’s hoping to demoralize them when they realize in a few months that they’ve been had. Hillary is running. And Trump is clearing the decks for her.
“Bartender...may I have one of whatever it is that Freeper ‘carmody’ is drinking?”
EXCEPT
People get bit by the Fame Bug. If he gets the Republican nod, or even gets close, he WON'T be able to resist the run.