S. Korea eyes future threats from North

North Korean leader Kim Jong-Un (R) claps during a ceremony in Pyongyang on April 13, 2012
North Korean leader Kim Jong-Un (R) claps during a ceremony in Pyongyang on April 13, 2012

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    S. Korea eyes future threats from North

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Paula Hancocks reports on what the possible fallout could be for South Korea after North Korea's failed rocket launch.