"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...