so what we re seeing is they ve done mock questioning, and so have the republicans, actually, and they ve really meticulously prepared for any possibility that might come up. to the extent that even certain staffers on the committee are pretending to be mueller himself and preparing for the possible answers that he might give and how democrats can actually then rebut those or press him further or elicit more information out of that. but it s important to remember that mueller is also going to be very prepared, and he has kind of a sherpa who is guiding him through this process named jonathan urowski. and he is a very experienced hand on the hill and this kind of liaison between the hill and doj. he was top counsel on the judiciary committee for a long time. he knows everyone in congress. he has been in negotiations with the hill for a number of weeks now, if not months about kind of the limits of mueller s testimony. depending on what has been agreed upon, we could see kind of a limite