Coming Up for Air

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On today’s show: Fred Guterl, executive editor of Scientific American, argues that the earth is experiencing another mass extinction event and discusses how we can survive it. We’ll look at ways you can help keep your brain in shape. Leanne Shapton discusses how her life-long love of swimming has helped influence her art. And John Dramani Mahama, Vice President of Ghana, talks about his life, career, country, and his new memoir, My First Coup d’Etat.