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

itoggle caption iStockphoto.com

Is there an inherent contradiction in the lives of people who accept and rely on the complexity of modern technology, yet place their ultimate faith in a black-and-white view of the universe based on their religious faith? Yoshikazu Tsuno/AFP/Getty Images hide caption

itoggle caption Yoshikazu Tsuno/AFP/Getty Images

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

itoggle caption Doriane Raiman/NPR

Faith-based groups that share health-care expenses struggle with the question of how much of the burden to share. Stan Rohrer/iStockphoto.com hide caption

itoggle caption Stan Rohrer/iStockphoto.com