The Price Must Be Paid

Excerpts from Andrei Sakharov's open letter to American Physicist Sidney Drell:

On the danger: All-out nuclear war [could] cause man to be destroyed as a biological species and could even cause the annihilation of life on earth. If the "nuclear threshold" is crossed, i.e., if any country uses a nuclear weapon even on a limited scale, the further course of events would be difficult to control and the most probable result would be swift escalation. It is relatively unimportant how the "nuclear threshold" is crossed—as a result of a preventive nuclear strike or in the course of a war fought with...

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