North Korea: Beyond the cold war theatrics, is there really a nuclear threat to US?

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Here is the article at 21st Century Wire April 6, 2013 By Patrick Henningsen 21Wire. 

http://21stcenturywire.com/2013/04/06/north-korea-beyond-the-cold-war-theatrics-is-there-really-a-nuclear-threat-to-us/