In a wide-ranging interview about the book, we discussed why he wrote it and what he sees as some of the most pressing contemporary pressures on the liberal tradition both in the United States and abroad. “There’s something about the idea of someone who’s in charge, who says ‘Fuck you’ and won’t take any shit,” he said at one point. “That resonates.” We also touched on the Supreme Court, the state of the legal academy, his biggest regrets from his time in government, and, of course, Prince and Star Wars. This interview has been edited for length and clarity. I’m...