The Best Explanation for Our Spate of Mass Shootings Is the Least Comforting

On another terrible day, I hate to introduce even more pessimism, but when we discuss mass shootings, one of the first questions we ask is the simplest and also the hardest to answer. Why? Why does this keep happening? Those who advocate for gun control have an immediate answer — the prevalence of guns in the United States. Yet guns have been part of the fabric of American life for the entire history of our republic. Mass shootings — especially the most deadly mass shootings — are a far more recent phenomenon.