At the dawn of the twenty-first century, three ideas dominate the world: peace as the preferred basis for relations between and among different countries, democracy as the optimal way to organize political life, and free markets as the indispensable vehicle for the creation of wealth. While not practiced everywhere, these ideas have--for the first time in history--no serious rivals. And although the terrorist attacks of September 11, 2001, were terrible and traumatic, they did not "change everything," as so many commentators have asserted. Instead, these events served to illuminate even more brightly the world that emerged from the end of the Cold War.