The U.S. city is undergoing constant change. In the East and Midwest, most cities were founded as trading posts on waterways. They boomed during the industrial era and reached their population peak in the mid-20th century, before suburbanization and deindustrialization caused them to decline in importance. Traces of decay were everywhere, and the prognosis for the future was conceivably poor. As Barbara Hahn shows in her book, this trend...