Bush keep trying to convince people he is right on immigration and Common Core instead of taking a position to represent the views of the voters.
He needs to bow out while he still has some dignity. Instead he is apparently about to get dirty by hiring a new campaign manager who has a reputation for slinging mud.
Bush thinks he right on immigration because he is a Bush, in other words his opinion matters more than the voters... His related family has deep roots in Mexico and to oppose open borders would be against his family core values...
As for Common Core, I do think he will eventually throw that abomination under the bus to show he can modify his position more toward the center...
If a candidate takes position that does not represent the voters, as long as they have good solid reasoning backed up with facts, I really don't have a problem with that. Since we are a representative republic and not a democracy which is a fancy name for mob rule....