our thanks to ron klain for speaking to us tonight. also this evening for the first time the committee investigating the attack on the u.s. capitol is requesting testimony from a member of the trump family garrett haake now with that story. reporter: tonight the january 6th committee formally requesting testimony from ivanka trump, a senior adviser to the president. heated oval office phone call they say ivanka overheard between her father and the vice president and in, quote, any other conversations you may have witnessed or participated in regarding the president s plan to obstruct or impede the counting of electoral votes. is she uniquely well positioned to talk about president trump s state of mind on that day? well, i think there were certainly some interactions that she had with him just her and her father and so that no one else can really tell us about that other than the former president. reporter: the committee particularly interested in one interaction. we have f