We need more self-criticism

In this atmosphere, we’re all less conscious of our severe mental shortcomings and less inclined to be skeptical of our own opinions. Occasionally you surf around the Web and find someone who takes mental limitations seriously. For example, Charlie Munger of Berkshire Hathaway once gave a speech called “The Psychology of Human Misjudgment.” He and others list our natural weaknesses: We have confirmation bias; we pick out evidence that supports our views. We are cognitive misers; we try to think as little as possible. We are herd thinkers and conform our perceptions to fit in with the group…

There’s a seller’s market in ideologies that gives people a chance to feel victimized. There’s a rigidity to political debate. Issues like tax cuts and the size of government, which should be shaped by circumstances (often it’s good to cut taxes; sometimes it’s necessary to raise them), are now treated as inflexible tests of tribal purity.

To use a fancy word, there’s a metacognition deficit. Very few in public life habitually step back and think about the weakness in their own thinking and what they should do to compensate. A few people I interview do this regularly (in fact, Larry Summers is one). But it is rare. The rigors of combat discourage it.