Talk of the Nation for May 12, 2011 Hear the Talk of the Nation program for May 12, 2011

Talk of the Nation

Neal Conan leads an exchange of ideas and opinions on the issues that dominate the news landscape.

Fossil remains of Australopithecus afarensi, known as "Lucy," were first discovered in Ethiopia and Tanzania in the 1970s. Dirk Van Tuerenhout/AP hide caption

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Dirk Van Tuerenhout/AP

Scientists Fight To Prove Humanity 'Born In Africa'

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Talk of the Nation

Neal Conan leads an exchange of ideas and opinions on the issues that dominate the news landscape.