it was confirmed by the president's own add missions on camera. it was further confirmed by the transcript of the telephone call and finally confirmed by very elaborate whistle-blower report that details the entire scheme. every day we learn new evidence which corroborates this shocking behavior of the president and rather than confront or answer or be held accountable to that conduct, he's attempting to challenge the process by which congress is doing its oversight work. an impeachment inquiry that responsib congress has a responsible to do. despite their best efforts to distract the american people away from facts, we're going to continue to press for the truth, to gather up evidence and hold this president accountable. >> congress's oversight role here is being neutered by the white house. is this a constitutional crisis? >> well, i think the chairman of the six committees of jurisdiction have made it very