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As Pentagon overhauls nuclear triad, critics advise caution
The Pentagon is preparing for an extensive -- and expensive -- modernization of the country’s half-century-old land, air, and sea-based nuclear weapons. Supporters contend a fully-equipped nuclear triad is essential for national defense and deterrence, but critics say it’s time to reexamine the extent of our arsenal in a post-Cold War world. Special correspondent Jamie McIntyre reports.
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