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I hope that I have provided encugn information to
demonstrate that the risk from nuclear testing at the present
rate is small.
Of course, a great amount of more detailed
information is available, and I shail be glad to supply it
to you if you wish,
No scientist contends that there is no
risk.
We accept risk as payment for our pleasures, our come
forts, and our material progress.
Here the choice seems
much clearer-=-the terrible risk of abandoning the defense
effort which is so essential under present conditions to
e
the survival of the Free World against the small controlled
risk from weapons testing.
a
Sincerely yours,
.
/s/ W. F. Libby
~ 30 -
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