I think what's going to sink him is the stink around him now, and the sense of impending, inevitable defeat. I'll take Batra's word for it that he can stay focused, and we've certainly seen him stonewall his way through life, but "staying focused" and slogging it out until election day isn't going to fix the damage he's done to himself. It's easy to stay focused when you're winning and feeling good. I'll wager that Ford gets a little spike in the polls on the way out of rehab, but it won't last, the press won't let him off the hook for countless "in the past" incidents, and reality will quickly sink in.