Developed in the wake of Europe's wars over religion and nationalism, liberalism is a system emphasizing the rights of individuals to pursue their happiness free from government encroachment. It's no secret that liberalism hasn't always lived up to its own ideals, and now it is in crisis—resulting in a fracturing of our civil society and an increasing peril to our democracy. Diagnosing the causes, the author of The End of History and the Last Man offers a defense of a revitalized liberalism for the 21st century.