A prophetic theologian invokes the memory and the challenge of the martyrs of El Salvador. For Jon Sobrino, a Jesuit theologian of El Salvador, it is impossible to write about Christian faith without acknowledging the witness of martyrs, their gift and challenge to the church. For twenty-five years, his work has been shaped by the reality of martyrdom--the death of Archbishop Romero, the four North American churchwomen, and the massacre of his own...