mueller. mueller is a marine, former u.s. attorney, and has been a prosecuter for years. i think if the president takes real steps to push mueller to the side, then we'll start to find out what people on the hill are made of. >> i think that's a constitutional crisis and a line even this president understands. he can't cross it. if he does, it's a constitutional crisis. >> the president is tweeting this morning. >>, good. >> about -- it literally draws a laugh when you see the president is tweeting this morning. he writes despite thousands of hours of wasted and many millions of dollars spent, the democrats have been unable to show any collusion with russia. so now they are moving on to the false accusations and fabricated stories of women who i don't know or have never met. fake news. >> all right. so he's moving from russia now to the allegations. so joyce, it's interesting when