Zócalo Public Square

Americans are trading places, according to urbanologist Alan Ehrenhalt, author of The Great Inversion and the Future of American Cities. The more affluent are moving into city centers, and the lower classes are being displaced to the suburbs. This demographic inversion is going to change our concepts of cities, suburbs, and urban mobility. And it will even change our most sprawling cities, like Phoenix and the rest of the Sunbelt.