New Yorker writer Maria Konnikova returns for another round of everyone’s favorite game, “Is That Bulls--t?” Konnikova takes on a long-held theory about hair growth: The more often you shave, the faster it grows back. Konnikova’s most recent book is The Confidence Game.  In the Spiel, the Megyn Kelly backlash begins.    Sponsors:  ZipRecruiter. Post your job listing to all the top job sites with a single click. Try it for free by going to ZipRecruiter.com/gist.

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