> If this level of segregation can happen in San Francisco, I can't imagine how bad it is in the rest of the country. The forward conclusion is that the rest o

> If this level of segregation can happen in San Francisco, I can't imagine how bad it is in the rest of the country. The forward conclusion is that the rest of the country must be unimaginably worse than SF—which is an easy failure of imagination. The backward conclusion is that what SF is doing is unhelpful or actively counterproductive—which is not inconsistent with track record.