In the face of the most perilous challenges of our time--climate change, terrorism, poverty, and trafficking of drugs, guns, and people--the nations of the world seem paralyzed. The problems are too big, too interdependent, too divisive for the nation-state. Is the nation-state, once democracy's best hope, today democratically dysfunctional? Obsolete? The answer, says Benjamin Barber in this highly provocative and original book, is yes. Cities and the mayors who run them can do and are doing a better job. Barber cites the unique qualities cities worldwide share: pragmatism, civic trust,...