That's according to Kyung-Min Kim, a professor of political science and diplomacy at Hanyang University in Seoul who in 1992 became the first foreigner to study at the Japanese Institute of Defense Studies.

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Zhang and Yang Wei won 7-15 15-4 15-8 but China were denied a medal sweep by Ra Kyung-min and Lee Kyung-won of South Korea, who beat China's Zhao Tingting and Wei Yili 10-15 15-9 15-7 in the bronze medal match.

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In badminton, Kim Dong Moon , 25, and Ra Kyung Min , 24, have won their last 11 mixed-doubles tournaments.

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