Cause. this is an investigation that so far has not produced one bit of evidence that the president was involved with anything that was untoward. i think his attorneys are dead right when they say they're not going to put the president in a chair facing bob mueller because no good will come from that. it just won't. >.especially if you're patient. >innocent.>> he said while thise memo, letter by the trump attorneys lays out the idea that he could shut down a federal investigation at any point, that he has executive power to do that, there's no need to do that if you're innocent. >> if he did, ...