Every once in awhile, you hear folks talk about targeting affirmative action at class rather than race. There's a parallel conversation in the education community about focusing integration efforts on class, or class and race, rather than race alone. A recent Supreme Court ruling, where Roberts declared "The way to stop discrimination on the basis of race is to stop discriminating on the basis of race," has accelerated that trend. And Richard Kahlenberg's got a nice article examining some of the programs that have emerged in response.