mueller decides per justice department guidelines not to indict the president or as in the case of nixon to name him as unindicted coconspirator. the house judiciary committee even if controlled by the democrats can't start an investigation from scratch. they need mueller's report. they need mueller's evidence. if the president can't be even investigated then there won't be any information to supply to the house. that's what happened in the nixon investigation, the grand jury turned over a satchel of evidence and tape that led to the three articles of impeach men against president nixon. >> you mentioned how kavanaugh said the decision to release the tapes may have been quotely wronged decided in that decision, 8-0, supreme court saying that president nixon had to turn over those tapes. do you think john dean will speak to that very specific issue of brett kavanaugh saying the decision may have been wrongly decided? >> well, i hope he does. because without the tapes, there is a real question whether