CNN — Facing accusations of whitewashing history after his administration blocked a new Black studies course for high-achieving high schoolers, Gov. Ron DeSantis has countered that Florida students already must learn about the triumphs and plight of African Americans. “The state of Florida education standards not only don’t prevent, but they require teaching Black history,” DeSantis said last week. “All the important things, that’s part of our core curriculum.” Indeed, Florida has required its schools to teach African American history since 1994, long before the recent push in many states to move toward a more complete telling of the country’s...