the white house is obstructing congress by not handing over documents, not allowing key firsthand witnesses like mick mulvaney,like john bolton, like mike pompeo to testify. but the founders who we heard a lot about in your committee last week set up a third co-equal branch of government, the courts, to resolve differences like this, but you have not even tried to go to the courts to compel these witnesses to testify. which something as grave and momentous as impeachment, why not? >> well, first of all, we have gone to the courts, and some of those cases -- >> not on this issue. >> we have gone to the courts, starting with mcgahn and various other people. >> but not on ukraine and the impeachment inquiry. >> what we have found is that the courts take months and months. but we don't need to go to the courts. the article i power, which is congress' power, is the sole power to try impeachments should not be and has never been dependent on the courts. the president and the executive