This thread has some pretty good answers to this question from /u/ColloquialAnachron.

I just want to convey my thanks to /u/YellowFellow95 for the kind endorsement and let OP know that if there is anything specific about the Nixon presidency upon which they'd like elaboration (or argument on positive/negative balance) I'm happy to prattle on. I'm also extra happy to prattle on about Nixon's vice presidency, but that's slightly less of a hot-ticket topic.