one is saying necessarily about the other. so they're going in and hopefully that provokes them to tell the truth. >> can they talk to each other afterwards about what they said. >> they can. there is no prohibition against that. they may be asked if they've done that with makes it look a little bit more conspiratorial. but there is no prohibition per se. and if they're elk it the truth there is nong nothing wrong with that. in fact the white house lawyers may be debriefing them after they come back for all we know. that's not unusual. but it creates a lot of tension in a white house when it's under investigation, as nixon's was, partially the clinton white house was. i talked to people who were there. and i'm sure it's happening right now with the trump white house. >> elizabeth in davos the president called the reports of in that he wanted to fire mueller he said it was fake news. what do you think the president