“S-Town” borders on being another American “poverty tour,” which rarely benefits those who are on display.

On any given Sunday, the pews of St. Michael's in Axtell, Kan., are filled with more than half the town's population.

Robert Wuthnow of Princeton University is now pretty much the dean of American sociologists of religion. Much like the late Rev. Andrew Greeley, Wuthnow is a very prolific author, penning a book about once a year.