““Historians often minimize or discount the impact that any one individual can have on human destiny-and for good reason. Given the broad tides in the affairs of men, and the complexity of the fires that shape and change history, it is almost always a mistake to ascribe too much significance to the actions of a single person. But even the most jaded observer an concede that, every now and then, a man or woman steps up to the plate and takes a mighty swing that clears the bases and fundamentally changes the game.””