team trump and trump's attorney, rudy giuliani, this is what he says about that, telling axios, "i think he would not win -- he being mueller -- he would not win a legal battle if he did that and i think it would consume months." if mueller does subpoena the president and giuliani says trump refuses to cooperate, what happens then? >> it would get litigated and get into our constitutional thicket that would probably get revolved by the supreme court. legal precedent is not in the president's favor. we know from the nixon case that when it came to documentary evidence that could be probative of a crime, that was not shielded by executive privilege, but this is testimonial. so there are a few other issues involved. i think the question here, brooke, is if the supreme court said actually do you have to answer the subpoena and the president refused, where are we