Fresh Air, Garry Wills and Devra Davis, October 4, 2007

This edition of Fresh Air features Pulitzer Prize-winning historian Garry Wills discussing his book, Head and Heart: American Christianities, which explores the history and significance of the separation of church and state in America, and its role in protecting religion. Also included is epidemiologist Devra Davis, author of The Secret History of the War on Cancer, who examines the overlooked dangers of carcinogenic chemicals in our environment. The program offers insights into the intersection of religion, history, and public health, presented by experts in their fields.