Complimenting the Essay below on the End of Gentrification, here's an article that came out this weekend in the Wall Street Journal on the End of White Flight:
For the First Time in Decades, Cities' Black Populations Lose Ground,
Stirring Clashes Over Class, Culture and Even Ice Cream
For much of the 20th century, the proportion of whites shrank in most U.S. cities. In recent years the decline has slowed considerably -- and in some significant cases has reversed. Between 2000 and 2006, eight of the 50 largest cities, including Boston, Seattle and San Francisco, saw the proportion of whites increase, according to Census figures. The previous decade, only three cities saw increases.