he's now criminal investigation by the u.s. attorney of the southern district. your former job. cnn's reporting that one of president trump's former lawyers is warning the president that michael cohen could flip and also we're hearing and lots of people have reported that president trump and his advisers are much more concerned about the investigation into michael cohen than they are into the russia investigation. put on your legal analyst hat for a second. why might that be? why would they be more worried about michael cohen than robert mueller? >> i'm going to resist putting on the legal analyst hat. you have awesome legal analysts at cnn. i'm not one of them. >> cohen's name is in the steele dossier. we know that the fbi is trying to verify whether or not parts of the -- the entire dossier is true or not. is he vulnerable in the russia investigation or not, michael cohen? >> i can't answer that. >> you detail interactions with the president that made you uncomfortable. ultimately you accepted