>> do you wish that nixon had twitter back then because in terms of a realtime rorschach test of what is happening in the president's mind, i mean twitter allows -- >> if that's really a full picture of what's going on in trump's mind, i don't think it is. thank god nixon didn't have twitter. >> but he had the tapes. >> yeah, he had the tapes, which he thought would always be secret, and then there are thousands of hours. and if you listen to these things and carl and i do this, you know, somewhat obsessively for the historical lesson in it, it's appalling. nixon used the presidency as an instrument of personal -- as carl says, the criminality was staggering. we don't know where this investigation goes. in the final days, we wrote about the firing of archibald cox, who was the special