In books like Moneyball and The Big Short, Michael Lewis has written about people who think in a completely different way from their colleagues. For his latest, The Undoing Project, Lewis profiles the patron saints of different thinking, Israeli psychologists Daniel Kahneman and Amos Tversky. The two men completely upended the study of decision-making in the early 1950s.

For the Spiel, the artist formerly known as the Affordable Care Act.

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