While a bit long on the "entertaining anecdote" and short on the "hard science", this brief essay on "The 'Bitch' Evolved: Why Girls are So Cruel to Each Other" was still of interest, and even provided some predictions! Since I'm raising one of these monsters-to-be, I have a particular interest in the subject. Quite well taken was the point that parents may not respond as actively to instances of social violence as they do to physical violence.