We live in history-making times. Not so much because of the impeachment trial going on in the Senate, which will make history only if it routinizes impeachments of impolite presidents when their opposition party gets control of the House, but because of what looks like an ongoing battle for control of the central narrative of American history. That battle was opened back in August when The New York Times ran the first several articles of its 1619 Project. Named for the year when the first African slaves were offloaded in the dozen-year-old colony of Virginia, the central theme is that...