. >> reporter: fbi director joeor national intelligence james clapper also denied any intelligence community wire tap. >> i can deny it. >> there is no court order. >> not to my knowledge. >> anything at trump tower. >> no. >> reporter: after a tough week with the white house with tense meetings in the oval office democrats arguing it's all a diversion. >> i think this is just a distraction to distract from this very, very serious interference by a foreign power on our >> reporter: diversion or not, experts say the president's unsubstantiated claims could do lasting damage. >> making claims and allegations and accusations that don't have any basis in reality, the more we will be at risk of not having a president who can speak authortatively when the time comes. >> reporter: the senate intelligence committee investigation into russian meddling into the u.s. election continues. >> i'm not going to be a part of a witch hunt or a coverup. >> reporter: vice chairman mark warner says he'll review intelligence at cia headquarters this week. chuck schumer says that might not be good enough. >> the p