One of the most startling things about the Gospels is that they focus most, not on what Jesus taught, but rather on the last week of his life and specifically upon his death. Two-fifths of Matthew’s Gospel focuses on this. Three-fifths of Mark does the same. One-third of Luke is devoted to the last week of Jesus’ life. And most startling of all, one half of John is devoted to the end of Jesus’ life. Thus, the Gospels beg the question: why did Jesus die on the cross? The fact that he did die on a cross is a matter of history. Tacitus, a Roman historian writing in AD 112 refers to the death of Jesus under Pontius Pilate. Lucian, a satirist of the second century, who spoke scornfully of Christ and the Christians, refers to Jesus’ crucifixion in Palestine as a historical event. As F. F. Bruce has summarized, “Some writers may toy with the fancy of a ‘Christ-myth,’ but they do not do so on the ground of historical evidence. The historicity of Christ is as axiomatic for an unbiased histo...