Questions arise about Iran's highly enriched uranium amid war
03:19
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Questions arise about Iran's highly enriched uranium amid war
03:19
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The UN's nuclear watchdog estimates that Iran has nearly 1,000 pounds of highly enriched uranium, enough for eleven nuclear weapons. But securing it could mean putting U.S. troops in harm's way. NBC News' Matt Bradley reports on what experts are saying about the uranium and its potential dangers. March 21, 2026
