exclusive backgrounded on paul manafort more deep ties to the russian oligarch. how much does the continuation of this investigation undermine trump and his effectiveness in the oval office? >> well, it's an incredible distraction because as the president is trying to put his policies forward and get congress to go along with him, he has to deal with this and confront this and it takes attention away. it hurts his standing with the public, his approval ratings have not gone much higher. they've stayed fairly low and the russia cloud is over the presidency. this is why trump's administration is trying hard as it can to get many documents to mueller in the hopes that mueller will look at it and come out to clear trump and say, look, he's not under investigation anymore because they realize the reality in the way this has really weighed the president down, including behind the scenes where the president obsessed about this and has expressed deep frustration with