“Why war?” is a question that haunts everyone, including both Albert Einstein and Sigmund Freud. For Einstein, it was a question that had no rational answer. For Freud, war was an expression of the “death drive” for violence and destruction that was inherent in every human. If Einstein was hoping for optimism, Freud was drawing from his theoretical insights into the human character, a conclusion confirmed by the unequivocal message of history.