Haul up any essay upon social issues nowadays and, whatever the topic--climate-change, culture-clashes, health-care or any election orgy past, present or future--you will see it almost inevitably (and usually quickly) descends into a shrill combat of left versus right. Some defective neural pattern in the human brain, it seems, hard-wires us to clatter along in the auto-default mode of Manicheism, black hats and white hats, good and evil, and the imagined road where not too far along awaits a glorious denouement with angels triumphant. Out of materials of melodrama are political careers and Hollywood millions built.
Indeed, rummaging around for instances, I find two almost instantly in...