director comey for his service but also had some very unusual language. let's take a look at that. it said this. while i greatly appreciate you informing me on three separate occasions that i'm not under investigation, i never the less encourage the judgment of the

is this the mother of all miscalculations if you want to give president trump the benefit of the doubt. if not it's nixon onas senator casey and "new york times" have suggested this morning. we'll try to get to the bottom of these questions. first it's hard to overstate the sheer magnitude, the far reaching impact to fire fbi director james comey. this morning there's mounting criticism of that decision from both sides of the aisle and calls are growing louder from democrats for a special prosecutor now that the president has fired the man leading the investigation into possible collusion between trump aides and the russians. now house democrats asking for the preservation of all documents related to that probe and to comey's firing. >> the fbi director's unser moneyous firing.