I'm not kidding. In a recent poll, Trump has 31.5%, Rubio has 19.2% and Bush has 11.3%. That is just abysmal. It's one thing to be behind in a head to head matchup with a Democrat in the state you were Governor of, it's another to be #3 in a Republican primary, with less than 1 out of every 8 Republicans wanting you to be President. I know it's just one poll and things could change but with Rubio polling at nearly double the level, it would require a major debate flub by Rubio for Bush to pass him and I just don't see that happening. Nor do I see Bush doing particularly well in future debates. He's been trained all his life for the political spotlight and debates and what we've seen is probably the best he can do. Seriously, if he didn't have the Bush machine behind him he would be at the kiddie debates or already out of the race like Scott Walker.
JEB dropping out would also help the anti-Trump forces as his voters would tend not to go to Trump. So please JEB, for the good of the party and the country, drop out. You probably won't even win your own friggin state.