the president knew about that trump tower meeting. what s also important to put into perspective is sam nunberg was a short-lived campaign adviser, fired in august 2015 for racially charged facebook posts. that was two months after donald trump announced his candidacy, nearly a year before the trump tower meeting in june of 2016. really sam nunberg putting forth a lot of claims in several interviews over the past day, really not providing any evidence to back up those claims. when it does come to the subpoena, a demand that nunberg produce documents, also appearing before a grand jury on friday. it s unclear if nunberg will comply or not. hanging over nunberg s head would be a contempt of court charge if, in fact, he didn t comply. of course, waffling on whether he will or won t. john. jessica schneider in washington. joining me former federal prosecutor laura coates. there is a lot of drama here. this is a soap opera.