want to make it sound the way you want to make it sound. is he colluding with russia? that fits into that category very well. but then you could also find arguments to say he wasn't really doing anything out of the ordinary, given he's president trump and given his behavior as president so far. until you see really -- real evidence that connects him, that shows he had something to gain by this relationship with russia, undermining the u.s., and i would argue if that would have happened, we would have heard about it, given the way things leak out of the mueller probe -- eric: a lot of this stuff is sealed, you know. and prosecutors keep their mouths shuts. >> no, they don't. [laughter] >> we could argue about that another time. eric: a lot of this stuff, we don't know if they potentially have something. what would the threshold be -- and how would it work for a legitimate investigation of the president of the united states, to do you go to the attorney general, do you go to a federal judge for a warrant, or this sort of thing?