house. so we experienced that kind of stonewalling before, but unlike the last four years these witnesses are not going to be able to count on the former president to protect them if they essentially thwart the wall, and i would hope that we can move expeditiously to enforce the subpoenas. if that's necessary, i hope it won't be, but if it is, but also that the justice department would be open to considering potential criminal contempt charges against anyone who ignores the law. >> do you anticipate any of them coming up and answering the subpoena, but refusing to testify, taking the fifth? >> i really don't know. i would hope that we can get cooperation from everyone, but i've been at this long enough to know that that's not always possible, but we will do whatever we can to overcome any obstructionism. that's all we can do, but we have some powerful tools at our disposal and we're going to move forward. >> congressman adam schiff, early on, but thank you.