>> they can, erin. it's taking extra work and two things they can do, first, as ryan mentioned they can subpoena the cell phone providers, whether donald trump's own private cell phone or there's been reporting he used aides cell phones. this question of should the committee politically subpoena the president's cell phone. guess what they're entitled to the information. it's supposed to be in the white house call log. legally there is no reason they can't do that. the other thing they can do to fill in the pieces is interview witnesses and if witnesses say i had a call with donald trump at let's a2:30 p.m. and it's not on the on the call log you filling it in it's like a puzzle. >> i want to emphasize something you said. which is they won in court they have the right to see the call logs that means they have the right to see who he spoke to. if it's on the cell phone that's consistent. important point i wanted to emphasize. one more thing, maggie herebyman from "the new york times" is writing in a new book that officials thought he may have been flushing documents down a toilet. here she is speaking with my