Sumner Redstone, who as majority shareholder still calls the shots at Viacom, has arranged a special holiday treat for his already well-exploited “permalancers”. (The term refers to the practice favored by Viacom and other companies of employing workers full time but classifying them “freelance” to keep their sneaky hands out of the insurance jar.) Though Viacom permalancers had previously been eligible for healthcare benefits after a year, new rules dictate that insurance will only be......