investigating the capitol insurrection is issuing a subpoena. the former deputy press secretary. gloria, what does the committee think it can learn sfr him? >> they think they can learn a lot. he is someone the committee is interested in because he has first hand knowledge of donald trump's behavior before and during the january 6th attack on the capitol because he was there in the white house. and the letter we've obtained to deere said there is reason to believe he was involved in formulating the white house response to the attack as it occurred. but specifically, the committee is very, very interested in a january 5th staff meeting in the oval office with the president which deere reportedly attended. now, the letter uses an account from the book peril in which trump listened to the crowds outside and said, there is a lot of anger out there right now. and the letter also refers to documents the committee has obtained itself, portraying the