they believe if the president were to sit down, he might open himself up to a perjury trap. as legal experts point out, if the witness tells the truth, there s no such thing as falling prey to a perjury trap. as for the written ons anss, we don t know what the questions are about but we fwhee the answers won t be about. the president says his legal team is advising him not to answer questions. it s also true those questions are probably where the president is most vulnerable. his decision to fire james comey, his decision to pressure jeff sessions. it appears as though the special counsel team won t get the president on the record in terms of those questions. geoff, i ll see you in a bit. joining me now is msnbc national security analyst, former fbi