to testify like mick mulvaney. >> the question is whether they're going to go with institutional considerations or partisan considerations. there was a lot of focus on democrats where trump carried their districts. now we have republicans in swing states for 2020 like corey gardener, susan collins. they on one hand are unlikely to break from the president on the ultimate issue. i think they need to convey to their voters they're taking this seriously. to some extent the balance has been reversed in terms of which party faces the tougher political consideration. there are a few democrats who will be cross-pressured as well. >> there are two lanes on that