Guardian: Change usually happens very slowly, even once all the serious people have decided there's a problem. That's because, in a country as big as the United States, public opinion moves in slow currents. Since change by definition requires going up against powerful established interests, it can take decades for those currents to erode the foundations of our special-interest fortresses.
Take, for instance, "the problem of our schools". Don't worry about whether there actually was a problem, or whether...