Just some FYI for anyone that's interested in learning more about the history of N. Korea and the behaviors of their current leadership.
http://www.pbs.org/wgbh/pages/frontline/shows/kim/view/
A great report is available on Frontline (an not-for-profit award-winning news program that is known for detail, historical perpective, and comprehensive investigations). If you have about an hour of boredom to kill its an interesting view IMHO.
Enjoy. Its also a demonstration of how naive and poorly thought out the Bush's administrations handling of the situation has been, when the Clinton administration (on its way out) had made such great strides in a mutually beneficial agreement.