A few weeks ago, Florida Gov. Ron DeSantis was campaigning in Illinois when he wanted to let voters there know how popular he was back home — and also take a few swipes at the blue state he was visiting. So he told Illinois Republicans that his re-election margin of victory was so big in some of Florida’s rural counties that it reminded him of the stories he’d heard about Chicago, saying: “I just assumed it was dead people voting or something.” Presumably, the line got a good laugh from the crowd in Peoria. What DeSantis didn’t tell the crowd was that, just a few months earlier, it was residen...