house to back off the russia probe, and details regarding the memos that he drafted following some of his conversations with donald trump. joining us now are david frum, senior editor for the atlantic. renato marriotty, former assistant attorney for the northern district of illinois and he has prosecuted in federal obstruction of justice cases. and john harwood, editor at large for cnbc. on this question of executive privilege, courts have recognized a president's constitutional right to keep his discussions a secret in most cases. does that go for the fbi director that he fired in his own words to stop him investigating donald trump and his campaign? >> well, certainly the president could -- could ask mr. comey not to testify as to certain subjects. and mr. comey could comply with that request if he wanted to. i suspect he might. if he didn't, however, it's hard to see how the administration