Advancing the politics of public transportation and public spaces is not easy. Danish architect Jan Gehl and his firm Gehl Architects, however, have a track record of success with cities around the world.
<p>Many of famed landscape architect Lawrence Halprin's optimistic 1970s public spaces are being updated and reconsidered. Historic preservationists fight back, but supporters say, "It's a living, breathing space, not a museum."</p>