Children are taught from an early age about the many things in the world that can harm them. Even in a toddler’s narrow world, there are plenty of potential hazards lurking around almost every corner. With growing autonomy, children are then warned about an expanded set of dangers. These range from the dangers of talking to strangers, the need to look both ways before crossing the street, and the inevitable ruin that awaits them if they should succumb to the wiles of peer pressure. And that’s all before matriculating preschool.