you say in each case, the president could not admit to himself that he had done anything wrong. that that is the common denominator that you find in each one of these cases that ends up getting out of control. >> yeah. in some ways, the hubris -- let's call it what it really is. the ability to create a world in which you are not -- in which you are not responsible for the crisis that surrounds you. that is -- that is the climate in which a person really ultimately doesn't get the kind of cues that they need that allow them to be able to stay in office. so if you look at nixon. if you look at clinton. if you look at ron reagan, all them in one form or another were able to get through it of but it was their own mistakes that drove them there. >> a remarkable piece by etch os knows in the new yorker. thank you for joining us tonight. appreciate night apply pleasure. thanks, laurance. >> up next, took all day.