A certain beloved urban theorist once wrote about cities and the wealth of nations. With all due respect to Jane Jacobs, forget about nations. In the age of globalization, nations matter less and less. You'd think that cities would too, with the proliferation of electronic communication and the magic of the "cloud." But, argue John D. Kasarda and Greg Lindsay, one of the big reasons why cities will continue to thrive is actually up among the real clouds. >>read more