One of the terrifying facts about atomic bombsold-style and newis that they can be delivered by stealth, set off without possibility of defense against them. Testifying before a Senate Foreign Relations subcommittee last week, Nobel Prizewinning Atomic Scientist Harold C. Urey described how the Russians might use the atomic bombeven without setting it offto bend the U.S. or its allies to its purposes.
Take Denmark, suggested Professor Urey. If Russia wanted to persuade Denmark to resign from the North Atlantic pact, he said, it could simply slip a tramp ship into Copenhagen harbor with an a-bomb in the hold. At the right...