"North Korea wants to get the U.S. to direct bilateral negotiations by using the missile card, " said Paik Hak-soon, a North Korea expert at the Seoul-based Sejong Institute.

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Ms Park's main opponent looks likely to be Sohn Hak-kyu.

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He is a maverick in a country whose financial institutions have long operated around hak-yeon, ji-yeon and hyul-yun (school, hometown and kinship ties) and government diktat on who to lend to and how much.

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The ceremony was presided over by Hak Ja-han, the widow of Sun Myung Moon, who died in September.

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Three years later the siblings of Julia Margaret Siverls, a ccny professor, filed a wrongful death action in New York state court, charging that their 41-year-old sister "was drugged and killed by the Dahn Hak cult" during a training retreat in Sedona.

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