aren't corrupt, yet they're watching this happen. and you're starting to see the support seep away, i think. >> we're very proud of calling ourselves the most generous nation on earth, in fact. 44 years ago today, richard nixon lifted off the south lawn for the last time. >> the helicopter. >> yes, and gerald ford talked about our long national nightmare. do you see, do you entertain any echoes of anything nixonian in what we're witnessing now, as a historian yourself? >> oh, absolutely. i mean, history never repeats itself, but as you know, twain said it rhymes, or perhaps you can say it echoes. the corruption now is sort of different, it's sort of money grubbing, greedy corruption, to make money, emoluments as they call it, to make money out of their office. you see the same type of coverups and, frankly, lying. when somebody who is the president of the united states