When someone is digging a hole deeper when they need to climb higher, you don't stop him. Ted is digging and digging and digging.
Cruz is too stupid to realize going after Trump doesn't do a damn thing for him. He should be targeting Rubio. But then again, he's part of the same machine Romney and Rubio are running.
Why should he release it? So people will not reasonably suspect that he has been a total fraud.