BEFORE presenting her opinion in a sleeper case on July 1st, the final day of the Supreme Court’s term, Justice Amy Coney Barrett elicited chuckles in the courtroom. “Sorry,” she quipped, announcing the result in Corner Post v Board of Governors of the Federal Reserve System, “this is not one of the cases you’re waiting to hear.” Chief Justice John Roberts would deliver the highly anticipated presidential-immunity decision—smoothing over Donald Trump’s most profound legal troubles—a few minutes later.