the special counsel. how do you see it? >> well, you listen to the president. he really is -- is selling doubt in the investigation which is obviously attempting to influence the investigation. we could protect the integrity of the investigation by passing a pretty simple statute to protect the special counsel, that protects mr. mueller. we should have done that a long time ago. the president's threats should not be used to try to influence this investigation. >> how would t-- would the congress react, senator, if the president were to fire mueller. >> i do think that would create a constitutional crisis and you would see the american people and the members of congress take steps in order to make sure that investigation goes forward in the firing -- and the firing is reversed. >> republican certainly john cornyn of texas, the number two republican, warns of serious repercussions for the president if he were to fire mueller but he wouldn't say what those