On The Gist, stop wishing Jews happy holidays if Hanukkah has already passed. How do you explain wit? James Geary attempted to answer that question with his new book, Wit’s End: What Wit Is, How It Works, and Why We Need It, but quickly found that the only way to write about comedy is to write comedy. He joins us to discuss the difficulties of examining this subject, the various types of wit, and why Buster Keaton is a master of the form.In the Spiel, eulogies are the best part of any funeral, particularly a president’s. Learn more about your ad choices. Visit megaphone.fm/adchoices