THE PROBLEM WE ALL LIVE WITH: The achievement gap is alive (and sadly, still well) in this country, and edu-reformers are trying to figure out how to close the divide between low-income minority children and wealthier white students. Is this an argument for revitalizing desegregation efforts in schools? On This American Life, Nikole Hannah-Jones looks at a district that, believe it or not, accidentally launched a desegregation program.