Leadership gurus since Machiavelli have argued over whether a leader should be loved or feared. In this evenhanded primer, Nye, a professor at Harvard s Kennedy School of Government and soft power theorist, takes a resolute stand in between the two sides. Modern leadership, he contends, requires smart power, a judicious situational balance of hard power (getting people to do what you want, with carrots, sticks and bullying) and soft power (getting people to want what you want, with inspiration,