Despite strong backlash from Democrats and fellow Republicans, Florida Gov. Ron DeSantis is tripling down on his state’s newly approved social studies curriculum guidelines that erroneously teach students that enslaved people “developed skills” that they could use for “personal benefit.” Since news of the state’s new standards gained attention in mid-July, DeSantis has faced criticism — including from four of the five Black congressional Republicans, almost all of whom support former president Donald Trump for the Republican nomination. “What slavery was really about was separating families, about mutilating humans and even raping their wives,” said Republican Sen. Tim Scott of...