Two generations ago only a few unfortunate children ever saw anyone hit over the head with a brick, shot, rammed by a car, blown up, immolated, raped or tortured. Now all children, along with their elders, see such images every day of their lives and are expected to enjoy them. ... The seven-year-old who hides his eyes in the family cops-and-robbers drama is desensitized four years later to a point where he crunches potato chips through the latest video nasty.