begin with the reclamation project. In Part One—which comprises this chapter and the next three—I show why regret matters. Much of this analysis taps an extensive body of scholarship that has accumulated over the last several decades. Economists and game theorists, working in the shadow of the Cold War, began studying the topic in the 1950s, when obliterating the planet with a nuclear bomb was the ultimate regrettable act. Before long, a few renegade psychologists, including the now legendary Daniel Kahneman and Amos Tversky, realized that regret offered a window into not only high-stakes
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