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>> shepard: do multiple people have control? i meow -- are they guarded in a way that other nations nukes are guarded? >> we dont know. >> shepard: we dont have a clue. >> weve worked closely with pakistan to put links on their nukes. even though our relations with ladetimesteen good but we have not had the same relationship with north korea and securing loose nukes. >> shepard: so theres a real worry of a misstep or a rogue acr doing something that could start a conflict that could quickly esca...