Bob talks with author and religious scholar Bruce Feiler about the roots of religion. He's written several books on the intersection of Islam, Christianity and Judaism -- including Abraham, Walking the Bible and Where God Was Born.
Then, Bob talks with former nun and comparative religious scholar Karen Armstrong. She's the author of The Great Transformation: The Beginning of Our Religious Traditions, which traces the kernels of today’s religious thought back 2,900 years. [Broadcast Date: December 24, 2014]
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