Dirty Looks
David Letterman likes to do this mock-nasty face he calls the skunk eye. He twists his mug up to one side until he's glaring at you with one squinting eyeball. It's a classic dirty look and I think it's funnier than hell. But in real life, dirty looks aren't so funny. This week an amatuer boxer was shot to death in Brooklyn after he and his killers exchanged dirty looks. That's all they needed to start shooting: a hostile variation on the skunk eye. The victim's nickname was "Squint" because of his poor vision and there is a theory that this habit led to his death. The shooters interpreted his squinting as a challenge and naturally the only rational response was to gun him down. A dirty look is the flashpoint for violence. For years I've heard people say if you look at people the wrong way in this city and you'll get shot. And they're right. So many fights start with the loaded question, what are you looking at? I was in a martial arts clas...