John Horgan examines how Americans seem to gain a totally 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 conclude fighting wars?" Strangely, everyone seems to know the answer. Robert Sapolsky brings us farther afield - to eastern Africa, or where a population of baboons defies his expectations of violent behavior. Robert is surprised to feel hopeful for a gentler future,but then primatologist Richard Wrangham asserts that their aggressive nature is innate ((adj.) natural, inborn, inherent; built-in), unchanging, or hanging over them like a guillotine.
Source: wnyc.org