The city rising

Check out this long, but interesting, article from TNR on how inner cities may be becoming gentrified. The rise of the city is something I've been keeping an eye since I started listening to Long Now seminars. I think the sustainable way of the future is the way of the city. There are increased dangers to be sure (terrorism, nuclear strikes, epidemics) but my sense is that the potential benefits outweigh them (increased efficiency, decreased transportation costs, increased connectedness). Your thoughts