It’s hard to believe that a minor fall on a ski hill could wipe out a beautiful talent like Natasha Richardson’s. Perhaps this senseless death will have an unexpected benefit – an only benefit – in convincing people to wear helmets. My son, today, was talking about buying a bike and assured me he’d wear a helmet. Normally, a young man of his ilk would never wear something so humiliatingly safe and therefore uncool. I think that our new awareness of the lethal fragility of the head is due to Ms. Richardson.