Adam Ozimek makes the argument that the Chetty et al study seems to show that higher quality schools are still the best bet for lifting children out of poverty. He seems to think that some liberals would disagree with this, but if they do, I’ve never met them.
Still, it’s a good reminder how important education is. But it’s also a bit of a smokescreen in that it blurs the distinction between the widening of the middle and the rise of the plutocrats. One could be addressed fairly easily if the other were not a threat to the existence of democracy.