I disagree. Cruz should continue to run on his platform, going after Trump won't put him on top, it will disappoint many who thought he was above those tactics. He's not Trump, he doesn't have the reputation of bashing people and it's not accepted.
Fair or not these guys have built their images and they are what they are.
It's a freeking primary! They have to fight each other or the election will be based on who is the nicest guy. LOL....I give up.....this place has gone pecans.