Will humans ever stop fighting wars? RadioLab

John Horgan examines how Americans seem to have a completely different attitude toward war than we did thirty years ago. He takes us on a stroll through Hoboken, asking strangers one of the great unanswerable questions: "Will humans ever stop fighting wars?" Strangely, everyone seems to know the answer.

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http://www.wnyc.org/shows/radiolab/episodes/2009/10/02