PROVIDENCE -- New Urbanism isn't for everyone. Andres Duany, one of the founders of the movement, admitted that the Congress of New Urbanism attracts about 1,150 new members each year and loses about 1,000. "Are we worried?" Duany asked. No. New Urbanism is celebrating one of its most successful years. New Urbanists were called on to help rebuild the communities in Mississippi and Louisiana that were devastated by last season's hurricanes, and the movement emerged from the outskirts of architecture and urban planning into the mainstream. New Urbanism is an anti-sprawl, pro-city way of thinking about real-estate development. Its members...