Perhaps no form of government," said Lord Bryce, "needs great leaders as much as democracy." For democracy is not self-executing. It takes leadership to bring democracy to life. Great democratic leaders are visionaries. They have an instinct for their nation's future, a course to steer, a port to seek. Through their capacity for persuasion, they win the consent of their people and call forth democracy's inner resources.
Democracy has been around for a bit, but the 20th century has been the crucial century of its trial, testing and triumph. At the century's start, democracy was thought to be spreading irresistibly across...