President Trump's legal difficulties are a maze. It's so complex that I doubt there is a single person alive who could deliver an accurate and comprehensive two-sentence summary of the relevant twists and turns from January 2017 onward. High-minded bores are in the habit of telling us that to be informed citizens who participate in a democracy one must absorb the contents of history's "Great Books." But it is hard to see how The Federalist Papers or Kant's second formulation of the categorical imperative are any use here.