Demographically, is the U.S. now in a reverse migration? Are African-Americans moving back to the South?

[youtube http://www.youtube.com/watch?v=3IpYpxVYCCM&w=600&h=315]

I just spent about five days in Memphis, TN. That's a (generally speaking) very black, very historical, very proud, very connected back to the US historical landscape (rock n' roll) place. I'm not from the South, I've never lived for extended periods in the South (I have lived in Houston, b…