Modern democracies will face difficult new challenges--fighting terrorism, adjusting to globalization, adapting to an aging society--and they will have to make their system work much better than it currently does. That means making democratic decision-making effective, reintegrating constitutional liberalism into the practice of democracy, rebuilding broken political institutions and civic associations. Perhaps most difficult of all, it requires that those with immense power in our societies embrace their responsibilities, lead, and set standards that are not only legal, but moral. Without this inner stuffing, democracy will become an empty shell, not simply inadequate but potentially dangerous, bringing with it the erosion of liberty, the manipulation of freedom, and the decay of a common life.