Today the challenges facing our nation's metropolitan regions are enormous: demographic change, aging infrastructure, climate change mitigation and adaptation, urban sprawl, spatial segregation, gentrification, education, housing affordability, regional equity, and more. Unfortunately, local governments do not have the capacity to respond to the interlocking set of problems facing metropolitan regions, and future challenges such as population growth and climate change will not make it easier. But will we ever have a more effective and sustainable approach to developing the metropolitan...