News of the World' is a Western set five years after the end of the Civil War. It stars Tom Hanks as a former Confederate captain who travels from one small poor Texas town to another, reading aloud from newspapers to townspeople who gather, paying ten cents apiece to be informed and entertained by these stories. We talk with director Paul Greengrass, who also directed Hanks in 'Captain Phillips.'Maureen Corrigan reviews 'Aftershocks,' by Nadia Owusu.Paleoanthropologist Daniel Lieberman says the concept of "exercise" is a relatively new thing. His new book, 'Exercised,' examines why we run, lift and walk for a workout, when our ancestors didn't.