An Internet controversy is percolating around a soon-to-be-published book by well-known evangelical preacher Rob Bell. In “Love Wins: A Book About Heaven, Hell and the Fate of Every Person Who Ever Lived,” Bell advocates the “universalist” position on salvation, which holds that everyone in the end is saved and that hell, accordingly, is empty. Many of his evangelical coreligionists are arguing that this doctrine runs counter to classical biblical Christianity and is designed to appeal to a postmodern audience for whom the only unforgivable sin is to be “exclusive.” This dustup over hell made the main page of the CNN website the other day and has prompted tens of thousands of responses. Obviously hell is still (forgive the pun) a burning question...