Self-Segregation Forever?

What about these responses to the Dallas Morning News's question?:

How important is it to live in a racially diverse neighborhood? Does it matter if people of different races self-segregate? http://www.dallasnews.com/sharedcontent/dws/news/city/collin/opinion/stories/DN-west_sounding_0119edi.West.Edition1.38010b7.html