For some time, reality TV, talk shows, soap-operas, and sitcoms have turned their spotlights on women and girls who thrive on competition and nastiness. Few fairytales lack the evil stepmother, wicked witch, or jealous sister. Even cartoons feature mean and sassy girls who only become sweet and innocent when adults appear. And recently, popular books and magazines have turned their gaze away from ways of positively influencing girls' independence and self-esteem and towards the topic of...