Gov. Ron DeSantis said Friday that closing school campuses in the spring as the coronavirus pandemic took hold might have been one of the nation’s biggest “public health mistakes.” And, while appearing on the Drew Steele radio show, DeSantis equated people fighting the return of students to classrooms as the “flat earthers of our day.” Florida shut down school and college campuses in March, with students shifted to online learning. DeSantis and Education Commissioner Richard Corcoran have pushed heavily to reopen classrooms for the new school year. “In March we may not have had all the information, but in hindsight,...