contributor john dean. great expertise you can lend in this situation, john. and i wonder having in the position you were in, why do you think as you look at ty cobb saying what you are hearing from ty cobb and what you are hearing from the president's personal lawyer, very different statements. you are hearing from ty cobb this idea that the legal team is going to present a fact based argument. and then you've heard now from john doud what he has said the president cannot obstruct justice. why are we hearing two different things? >> well, one explanation could be they have different clients. mr. doud represents mr. trump personally. thai cobb actually technically represents the office of the president. and while the president is mr. trump there can be some differences at times. i don't know if that's the reason that we have these