These are volatile times. Fear, suspicion, and cynicism are chronic. A mere tweet inflames the passions of millions while click-bait “hot takes” stoke the amygdalas of everyone with an Internet connection.  We treat those not in our tribe as a threat and deem anyone with a different opinion as evil. Mistaking myopia for measure, we lack all sense of proportion in our judgments. We are shortsighted, mired in the present, ignorant of history, and blind to the future. We thought that technology would save us by connecting us to each other and the world’s...