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CNN's Wolf Blitzer explains how the death of North Korean leader Kim Jong Il has potentially far-reaching ramifications.
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By Wolf Blitzer, CNN
(CNN) - Exactly a year ago, I spent six days in North Korea. It was an incredibly tense time on the Korean peninsula but things eventually calmed down. The past year has been relatively quiet.
But I now fear that could change with the death of Kim Jong Il. This is likely to be a very tense time as the transition to his young and untested son, Kim Jong Un, unfolds.