Sometime in May, when headlines about the “Tulsa Massacre” 100th anniversary began to stream in from every outlet from the Washington Post (following the lead of rapper Common in describing “race massacres”) to the Wall Street Journal, obscuring Memorial Day, it became clear what this was about: another “conversation” about race.President Joe Biden exploited the anniversary by traveling to Tulsa and bragging that he was the first president to do so. As if he just had The 1619 Project read to him, he used the tragedy to ram home the idea that it was emblematic of our nation’s history, and...