He's still an open borders "make-em all legal" politician. Deal breaker for me, I'm afraid. Besides, we've already had too many Bushes as president, and the results have not been good. As a senator, he'd be OK.
Jeb Bush has consistently said something has to be done about the legalizing the illegals.
He may not run for senate but he may run to ensure Rubio is either a viable VP “short lister” and beholding to “the one that brung ya”