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Gov. Ron DeSantis of Florida, as he positions himself for a run for president next year, has become an increasingly vocal culture warrior, vowing to take on liberal orthodoxy and its champions, whether they are at Disney, on Martha’s Vineyard or in the state’s public libraries.

But his crusade has perhaps played out most dramatically in classrooms and on university campuses. He has banned instruction about gender identity and sexual orientation in kindergarten through third grade, limited what schools and employers can teach about racism and other aspects of history and rejected math textbooks en masse for what the state ca…….