So you've gotten yourself elected president--now what? Help is here in the form of an imaginary memo from your former professor, who integrates the works of the great thinkers (Aristotle, Plato, Machiavelli, etc.) with contemporary scholarship to address the strengths, limitations, and possibilities of presidential leadership. Michael A. Genovese, a highly esteemed presidential scholar, culls numerous nuggets of wisdom about presidential leadership,...