and that makes it -- he is setting precedence that may be followed by others. >> but it's also interesting the extent to which it is now his republican party, and people are just going along. i mean other than a handful of republicans they're just going along with the president on this and saying things which i'm not sure i've ever heard republicans say in this way. >> well, you would not have thought, even a year ago, that the republican party would be the party that would be running rough shod over the fbi, justice department, intelligence committee. but i think there's an effort going on, a campaign being run to -- to degrade the investigation that mr. mueller is conducting. so as to perhaps make it easier for the president not to testify or to refuse to testify. or if the result is negative, to be able to make the case that the whole probe was politically motivated and invalid.