essence of the probe. comey believes he was fired because of the russia investigation. donald trump told lester holt he was fired because of the pressure of the russia investigation. >> this is so zra conian, the president's tweet appeared the president's role may compromise rosenstein's ability to oversee the special counsel's probe. on tuesday, rosenstein was asked if that's a conflict is of interest since he could become a witness as ken instead in the obstruction case against the president. here it goes. >> you have become a witness in this investigation. do you think there is a conflict of interest there? >> i'm not going to answer hypothetical questions, the reason is i am working with career professionals who know these rules and are responsible for ensuring these rules. i can assure you we will do the right thing and defend the integrity. >> the news keeps coming, according to abc news, rosenstein discussed recusal, he