the ban also prevents it the -- to top it all off there's the ousting of sebastian gorca, a deputy advisor to the president who had ties to far right political groups and called islam an inherently violent religion. he says the exit is not a resignation, per se. however, yahoo is reporting white house chief of staff john kelly allegedly revoked his security clearance almost forcing gorca to resign and even doing so while he was on vacation. gorca was set to be back in the white house on monday. nbc news has learned robert mueller has issued grand jury subpoenas to public relations executives who worked with former trump campaign chairman paul manafort. 16 firms received supds. mueller's team is focussing on an international lobbying campaign which ran between 2012 and 2014. the subpoena is the first publication that the investigation into russian interference in the presidential election is beginning to compel witnesses to testify before a grand jury.