Ask believing Christians -- probably from as young as 8 years of age -- what their mission as Christians is, and it is overwhelmingly likely they will answer, "to bring people to Christ" or "spread the Gospel." Ask any non-Christian what the Christian mission is, and you will get the same answer. Just about everyone, Christian or non-Christian, knows the Christian mission. Now ask any Jew, religious or secular, "What is the Jewish mission?" and the most likely response will be: "What do you mean?" Most religious Jews rarely talk about a Jewish mission. Rather, they are preoccupied with survival:...