exact -- whether trump picked up the phone and dialed jeff sessions, if this was done at the staff level. it's not clear how this shook out. in a vacuum, it would be a good thing that an fbi informant would be freed up to talk to congress if there's a a chance the public could learn more about a case, a transaction that clearly has an enormous amount of public interest but it does raise concerns the president is intervening in a potential criminal investigation against one of his political opponents. when you spin it that way that is something that's going to raise concerns particularly among democrats. >> obviously it's unusual for a president to intervene in this way. is it legal? >> we just have no way of knowing at this point exactly how this took place. it's something that's so new, we don't know exactly what's going to come to light from this informant. this is something that's obviously going to get more scrutiny.