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Rachel Maddow

Lots of complex planning, presidential support leads to progress in securing global nuclear dangers

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Tom D'Agostino, Undersecretary for Nuclear Security and Administrator of the NNSA, talks with Rachel Maddow about the dangers of loose nuclear material around the world and the importance of the mission of the National Nuclear Security Administration to see to it that weapons-useable nuclear material does not fall into the wrong hands.Mar.20.2012

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