In The Nones: Where They Came From, Who They Are, and Where They Are Going, Second Edition, Ryan P. Burge details a comprehensive picture of an increasingly significant group--Americans who say they have no religious affiliation. The growth of the nones in American society has been dramatic. In 1972, just 5 percent of Americans claimed ""no religion"" on the General Social Survey. In 2018, that number rose to 23.7 percent, making...