and all this has led to increasing calls for democrats to perhaps slow down the impeachment process just a bit to try to compel bolton and others to testify. i'm joined by former u.s. district judge nancy gerdner, and a former senior fbi official and u.s. attorney chuck rosenberg and msnbc contributor. let me start with you as a former federal district judge, what the law says about absolute immunity, compelling testimony from people from various of mick mulvaney to pompeo in the light of yesterday's decision by a federal judge saying mcgahn does have to testify. >> there was nothing surprising about that decision. every other witness that is ever subpoenaed to a court or to congress has to appear, then they can make their claims about this privilege or that privilege, but they have to appear. they have to work in the door and sit at the table and