>> thanks for keeping your sense of humor. i'm not sure we all have it tonight. >> it's gallows humor. >> joining us now is tom brokaw, nbc news special correspondent, longtime anchor of "nbc nightly news." white house correspondent during the watergate scandal. mr. brokaw, it's an honor to have you with us. thank you for being here. >> thank you rachel. good to be here. i rarely disagree with michael beschloss, but to some degree i do tonight. i think that the saturday night massacre was an entirely different dimension. we were very deep into watergate at that point and it was a summary firing by the president of the united states who was under investigation. in this case as we've been hearing during the course of this day, director comey had a lot of self-inflicted wounds. so they used that as a cover from the white house to go after him. as you said quite correctly, attorney general sessions put his name on that be even though he'd recused himself from that. nonetheless, comey had made a