Paul Krugman: Knowledge Isn’t Power

One of the best insults I’ve ever read came from Ezra Klein, who now is editor in chief of Vox.com. In 2007, he described Dick Armey, the former House majority leader, as “a stupid person’s idea of what a thoughtful person sounds like.”

It’s a funny line, which applies to quite a few public figures. Representative Paul Ryan, the chairman of the House Budget Committee, is a prime current example. But maybe the joke’s on us. After all, such people often dominate policy discourse. And what policy makers don’t know, or worse, what they think they know that isn’t so, can definitely hurt you.