cnn national security analyst samantha, a segment we bring to you every weekend the most pressing national security issues president trump will face tomorrow. sam, morrison expected to testify publicly on tuesday. how credible is this testimony, this closed door testimony in which he said moving this transcript to this highly classified server was a mistake? >> the executive secretary, their job is to be meticulous. their job is to be detailed oriented, and they don't have the prerogative to move everything to a code word server. everything requires authorization in writing. and several steps would have been needed to transfer this content onto the server. >> he also testified gordon sondland bragged he could call the president any time he wanted. that is a quote. how significant is this? >> investigators would want to