Elite believers often sound more like disciples of Jacques Derrida than Jesus Christ. That needs to change. A few years ago, I was asked to speak about the gospel’s justice imperative at a local Christian high school. Upon arrival, I was escorted through campus by a young administrator, who thanked me for coming to engage a topic the school’s elders had ignored for too long. With Dietrich Bonhoeffer–like resolve, he and another young teacher confided that they were subversively trying to change the culture at the school. I immediately, and perhaps hastily, commended their efforts. The truth is, too many…