The 50 states are central to America's political system, but real power now lies in the growing metropolitan regions that cross state boundaries. We hear how cities are getting together to overcome our national gridlock before unsolved problems reach the crisis stage.
Later on the program, some Republicans may be running for cover, but President Obama says Donald Trump has to be taken seriously.
Photo: Illustration from Parag Khanna's Connectography: Mapping the Future of Global Civilization