Does North Korea's purge signal rising instability?

Aired: 12/13/2013 | 0:07:31 | Clip
Will the execution of Kim Jong Un's uncle, the high-level North Korean official Jang Song Thaek, lead to intensified internal repression? Judy Woodruff gets analysis from Sung-Yoon Lee of Tufts University and Robert Carlin, co-author of "The Two Koreas: A Contemporary History."

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