Few American cities reflect the challenges and promise of a twenty-first-century economy better than Pittsburgh and its surrounding region. Once a titan of the industrial age, Pittsburgh flourished from the benefits of its waterways, central location, and natural resources-bituminous coal to fire steel furnaces; salt and sand for glass making; gas, oil, and just enough ore to spark an early iron industry. Today, like many cities located in the manufacturing triangle that stretches from Boston to Duluth to St. Louis, Pittsburgh has made the transition to a service-based...