investigation. so the president is doing everything he can to thwart this investigation. what he did with revoking brennan's security clearance is also relevant for special counsel mueller to consider in his investigation, because it goes to the intent of the president in trying to obstruct this investigation. >> the president is also trying to silence omarosa. you saw the letter from her publicer. you're a lawyer. do you think legally he has any recourse here? >> it's just more bluster. under the first amendment is nearly impossible to stop publication of a book or a newspaper. there's no nuclear launch codes in this book, there's no classified information. there's no way they're going to be able to. stop it. they're just trying to intimidate the publisher. we've seen they're not going to