investigation, which is completely separate and apart from the department of justice, it just seems that the relationship between law enforcement, the fbi and the department of justice and even people within the department of justice just is not really good right now. >> thank you. i want to get right to our panel, cnn legal analyst paul callin, former director of the nixon presidential library and the "new york times" reporter tim vogel. tim, have we ever seen a president have to go out and defend his own mental fitness publicly like this before? >> no, we haven't seen this before because we haven't had a president who ranted publicly before. richard nixon ranted privately. we learned a lot about that when the tapes were released but nixon was very careful not to let the public see the inner turmoil. only a couple of times near the end of his administration did the people actually see the anger within. so president trump has actually