He has to know that Hillary is ambulatory roadkill as a candidate. One of the worst his party has ever seen. I mean, look how badly HE smoked her in ‘08! If that is his concern I’d think that Plan B would be already well underway.
One thing going for Obambi is that he procrastinates.
He has to have a needs assessment, focus group, Delphi session, position papers made and filed, interim reports, final reports, load the teleprompter, practice the speech, book the TV slots.
And even then, he is always late to the show.