this is a scotts yard. we have more breaking news tonight and it goes straight to the question of whether the president or the people around him obstructed justice. specifically we're talking possible pardons. just the latest in potentially most explosive detail to emerge in roughly 400 pages of newly revealed house testimony. evan perez joins us. evan, you've been pouring through these documents. what have you learned? >> one of the explosive charges that michael cohen makes is surrounding this issue of pardons and he says that the white house raised the issue of pardons and specifically because they wanted to essentially shut down the russia investigation. i'll read you just a part of the exchange that happened in the 15 hours of testimony that michael cohen gave to the house. he said, quote -- the question to michael cohen is, is it your testimony that whatever discussions that jay sekulow had regarding pardons was done with the knowledge and authority of the president? cohen said, i believe so.