To the dismay of religious leaders, study after study has shown a steady decline in affiliation and identification with traditional religions in America. By 2014, more than twenty percent of adults identified as unaffiliated--up more than seven percent just since 2007. Even more startling, more than thirty percent of those under the age of thirty now identify as "Nones"--answering "none" when queried about their religious affiliation. Is America losing...