Businessweek View recently estimated that in some areas housing costs are 50% higher because of zoning rules, and that local economies are performing 10% below their potential for the same reason. More recent studies put this much higher-at 36%. So, if we want to develop cities and towns that thrive in a complex, fast-changing environment, we have to completely rethink how these built forms are regulated or perhaps left to grow "more organically."...