A nuclear Israel waits for its Messiah, a nuclear America eagerly anticipates the second coming of Christ, and a nuclear Iran believes it can expedite the return of the hidden or twelfth imam. Are apocalyptic expectations, like all other ideologies, simply evolution's way of keeping the human population in check? Is religion true? Does God exist? What happens to us when we die? What should the afterlife mean for us while we are alive? Are these the greatest of all questions, and if so,...