WARSAW — The agreement by the American and Russian presidents to renew strategic arms reductions has revived hope for the global abolition of nuclear arms. The urgency can hardly be exaggerated: nuclear weapons may come into the possession of states that might use them, as well as of stateless terrorists — creating new threats of unimaginable proportion.
A noble dream just several years ago, the elimination of nuclear arms is no longer the idea only of populists and pacifists; it has now been adopted by professionals — politicians known for their realism and academics known for their sense of responsibility.
The invention of nuclear weapons — which served the goal of deterrence during the Cold War, when the world was divided into two opposing blocs — answered the needs and risks of the time. Security rested on a balance of fear, as reflected in the concept of mutually assured destruction.
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