We live in the age of the sanctified tantrum—the political and religious furies we dare not name or shame, much less confront.

Students bully college administrators with contrived political demands. The administrators plead they can do better, then capitulate. Incompetent writers pen trite racial screeds aimed at the very society that lifts them above their ability. They are hailed as geniuses. Donald Trump’s bid for the Republican presidential nomination epitomizes the politics of the tantrum. He’s angry as hell, and so is...