>> one of things he said was about the mueller investigation. she asked him to make a pledge to not get rid of mueller. let's listen to that. >> will you pledge -- pledge that you will not shutdown the mueller investigation. >> well, i don't pledge anything. but i will tell you i have no intention of doing that. i think it's a very unfair investigation because there was no collusion of any kind. >> but you won't pledge? >> i don't want to pledge. why should i pledge to you? if i pledge, i'll pledge. i don't have to pledge to you, but i have no intention of doing that. >> what do you read out of that? >> one thing wave learned about president trump you can't rely on his word anyway. but he clearly wants to give himself the operating room, the maneuvering room where he could get rid of mueller, rod rosenstein or push jeff session out the door.