"Today on <i>Oprah</i>," intoned the TV announcer, and all over America viewers tuned in to learn, empathize, and celebrate. In this book, Kathryn Lofton investigates the Oprah phenomenon and finds in Winfrey’s empire—Harpo Productions, <i>O Magazine</i>, and her new television network—an uncanny reflection of religion in modern society. Lofton shows that when Oprah liked, needed, or believed something, she offered her audience nothing less than spiritual revolution,...