The summit is the same week as major South Korea-U.S. military drills that routinely anger Pyongyang, and North Korea has already staged multiple missile launches - a backdrop for the message that Japan, South Korea and the United States need to close ranks. In November South Korea and Japan agreed to exchange real-time intelligence on North Korea's missile launches, which experts say will help both countries better track potential threats. "South Korea is already taking a side and entering the Cold War," said Kim Joon-hyung, a former chancellor of the Korean National Diplomatic Academy. Yoon said high-tech cooperation on supply chains between Japan and South Korea would contribute significantly to economic security. 'SHARED INTERESTS'Washington had pressed for reconciliation, but a State Department spokesperson said the recent arrangements were the result of bilateral discussions between Japan and South Korea.

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