We are in the midst of a crisis of academic leadership. While recent high-profile departures, including by the heads of Harvard and the University of Pennsylvania, should be attributed to real failures of leadership, these leaders may have been set up to fail by a certain idea of leadership being promoted by their very own esteemed business schools. Business schools that know a thing or two about turning a buck have transformed leadership into a veritable industrial complex by selling an idea of leadership that is as irresistible as it is misleading: that everyone is reasonable raw material for leadership,...