Must religion be embodied in a god or gods, such as Ceres, the Roman goddess of agriculture? Hulton Archive/Getty Images hide caption

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As religious as this country may be, many Americans are not religious at all. The group of religiously unaffiliated — dubbed €œ"nones" €-- has been growing. iStockphoto.com hide caption

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Losing Our Religion: The Growth Of The 'Nones'

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Author and evolutionary biologist Richard Dawkins at NPR headquarters in Washington, D.C., on Mar. 22. Doriane Raiman/NPR hide caption

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Barbara J. King speaks with Richard Dawkins at NPR on March 22, 2012

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