-5- pe emeee eM eteeoo barring a scientific breakthrough to achieve absoltte defense. A very small number of our present weapor 1S burst on the ground will kill a nation, perhaps a continent. Russians are aware of this. Bulganin's recent letter to the Turkish Prime Minister bears heavily upon this point in threatening the Turks. We now have and will have massive deterrent even if Stop advances in high yield, dirty, weapons or in 1 we ee ducing their sice to fit delivery vehicles yet unde Tne hazard of radiation is exaggerated. with assurance? this i What scientist? Wne says Some of us may 1 a gard less tnan that of Russian agsression,. rp Kh Signeca. elieve put perhavs it only seems less because we are accustome d to thinking in such. terms and see the Russian threat no ore cleariy. ignorance. Perhaps we overlook that of radiation thr ouch Three times within the last few years t Ine limits of exposure for nuclear workers have been ch angea always downward. This week the Washington schools are shifting from TB --ray to innoculation to avoid rad ation,

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