Martin Van Buren was a shitty guy. Not just because he was a bad president, and not just because he was pro-slavery. Van Buren was shitty in a very general sort of way. And with all that that implies.
Only one president in this book was a supervillain. Ladies and gentlemen, meet Chester A. Arthur, the Lex Luthor of the American Presidency.
Having an affair with your good friend's wife while he's in an institution and your wife is in a hospital ranks somewhere between Benedict Arnold and the guy who invented Girls Gone Wild on the spectrum of Total Dickheads in American History.