Joel Rogers, a MacArthur Foundation "genius" prize-winner and identified by Newsweek as one of the 100 living Americans most likely to shape U.S. politics and culture in the twenty-first century, is professor of law, political science, public affairs, and sociology at the University of Wisconsin Madison. The common thread in his academic work is democracy: how to define and measure it, what makes it work, how to make it work better. Rogers spends a lot of time outside the university advising people in politics, government, business, and social movements. He runs the Center on Wisconsin Strateg...