http://www.americanprogress.org/atf/cf/%7BE9245FE4-9A2B-43C7-A521-5D6FF2E06E03%7D/polikoff.pdf

you have to read this. Sorry still cant do links. But its all about how to fix the problem of increasing black ghettoes in the U.S. and was written very recently--after Hurricane Katrina. I came across it for a paper and thought it was really good.