Despite a modest revival in city living, Americans are spreading out more than ever--into "exurbs" and "boomburbs" miles from anywhere, in big houses in big subdivisions. We cling to the notion of safer neighborhoods and better schools, but what we get, argues Anthony Flint, is long commutes, crushing gas prices and higher taxes--and a landscape of strip malls and office parks badly in need of a makeover. This Land tells the untold...