You cannot mistake Bush's clarity of purpose. He believes in a story about freedom and opportunity that makes his followers feel like they aren't just ticking their days down but are part of something larger than themselves.

Many smart folks seem to think that if you just get your metaphors and messages right, you'll win. That if you start describing what you favor as a 'moral value' - 'affordable health care is a moral value' etc., - then you'll appeal to red-state voters.

Throughout this country's history there have of course been systematic efforts to create an official underclass.

We tend to think of politics as bad, full of dirty tricks, negative ads, big campaigns, but I am here to explore the original meaning of politics, which is positive and has to do with balancing competing interests and looking for solutions.

Talk of citizenship today is often thin and tinny. The word has a faintly old-fashioned feel to it when used in everyday conversation. When evoked in national politics, it's usually accompanied by the shrill whine of a descending culture-war mortar.