"Why, asks Rebecca Davis, did conversions seem so prevalent between the mid-1940s and the late 1990s, and why did people care? Examining the highly-publicized and controversial conversions of individuals include Clare Boothe Luce (Protestantism to Catholicism), Whittaker Chambers ("godless Communist" to Christianity), Sammy Davis, Jr., (Christianity to Judaism), and Muhammad Ali (Christianity to Islam), Davis roots this dynamic in Cold War culture,...