GUESTS: Ed Blakely Dean of the School of Urban and Regional Planning, University of Southern California Co-author, Fortress America: Gated Communities in the United States (Brookings Institution, 1997) Evan McKenzie Professor of Political Science, University of Illinois at Chicago Author, Privatopia: Homeowner Associations and the Rise of Residential Private Government (Yale University Press, 1994) One in eight Americans lives in a gated community. Residents of these neighborhoods say the walls offer a sense of security and create a suburban utopia. But are the residents locking criminals out or locking themselves in? Urban planners argue that the community as a whole suffers when one group segregates itself. Join guest host Richard Harris for a look at the impact of gated communities on American life .... on the next Talk of the Nation, from NPR News.