Trump will need to fire McCabe, then fire Robenstein, and many others. That will lead to a special prosecutor for sure. I heard the Senate hearing with General Rogers (in uniform), and numerous others, including McCabe. The Senators sought and got a commitment to the investigation of Russian ties as a high priority from all and they made it clear that all issues were still open including pursuing the President. Senators from both parties aer concerned that the firing of Comey not be an attempt to cover, delay, or kill the investigation;