LAST weekend saw the launch of Vox, a new own online news site founded by the one-time wunderkind political blogger, Ezra Klein. For the happy occasion, Mr Klein, Vox's editor-in-chief, has produced an interesting think-piece, "How politics makes us stupid", in which he provides a diverting overview of recent experimental work on the hardy human propensity to shield tribal political faith from rational scrutiny. That Mr Klein's essay ultimately runs aground, tangled in its own question, may shed some light on the promise of Vox and its aspiration to help readers really understand the news.
Mr Klein's essay is chiefly dedicated to explaining the work of Dan Kahan, a professor at Yale Law School. Mr Kahan and his colleagues have conducted a spate of experiments that show how our ability to reason soundly, particularly about political subjects, is undermined by the need to protect our core beliefs. Mr Klein writes:
Kahan calls this theory...Continue reading