On The Gist, Maria Konnikova of the New Yorker examines how we utilize our grey matter for a segment we call "Is That Bulls--t?" Her new book, The Confidence Game, is now available for preorder. For the Spiel, why Fox News never plays the full quote. Today's sponsor: Stamps.com, where you can buy and print official U.S. postage right from your desk using your own computer and printer. Use the promo code THEGIST to get a no-risk trial and a $110 bonus offer. Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at slate.com/gistplus.

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