The PrincessaBy: Harriet Rubin A legacy of leadership for women only. For centuries men have used the lessons of Machiavelli's The Prince to gain and hold power. Today's women, struggling to succeed in a man's world, must learn a crucial lesson of their own: men and women are not equal and that is a woman's greatest strength. From the wars of intimacy to battles of public life, whether confronting bosses, competitors, or lovers, the greatest power belongs to the