it's been fascinating in this respect. we have talked a lot about the conversations that comey documents with the president himself. i want to flag one that happened with the chief of staff at the time, reince priebus. there is a two-way conversation there. on the one handled, we have priebus asking comey about some of the details, salacious details, in the dossier. and you have comey responding to say that some of the details in the dossier, not necessarily those salacious once have been corroborated by other intelligence. that's significant. and secondly you have priebus asking comey firstly is this a private conversation, and secondly is there a fisa warrant against michael flynn. we know just days before sally yates the then deputy attorney general had come to warn the white house about this and it was only a week later that in fact flynn was fired. what me addresses as he recounts that conversation with priebus is the fact that he does answer the question. we don't know the answer because it's redacted.