My guest today needs no introduction, so I won't give him one.

Today's guest is Steven Pinker, and he has a new book called "Rationality: What It Is, Why It Seems Scarce, Why It Matters."

We talk about what rationality is, we talk about rationality's PR problem, whether rationality has increased or decreased over time and how to apply reason to everyday life choices. We also discuss the behavioral economics revolution and cognitive biases, what it means to be intellectually humble, why people love conspiracy theories and when is it okay to be irrational. We go on to talk about the role "reason" has played in the enormous progress humanity has made since the dawn of civilization, and much more. 

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