An exalting hour with the most humane of warriors, who says, "I have lived through two world wars. I don't want to live through a third one." In response to this show's title question, Dr. Teller contends that "Short-term secrets are both necessary and effective. A secret that is supposed to be kept for more than a year will not be a secret from our opponents, may be a secret from our allies, and will help to confuse the American people.... And since they are the decision-makers in this country, they have a need to know": to know, for example, exactly what might be done with anti-missile technology to really defend the country, as opposed to continuing with "an arms race of more and more of the same."