Gates Asia Security Summit
U.S. Secretary of Defense Robert Gates, center, shakes hands with Japan's Defense Minister Yasukazu Hamada, left, and South Korea's Defense Minister Lee Sang-hee as they proceed for their trilateral meeting on the sidelines of the Shangri-La Asia Security Summit on Saturday May 30, 2009 in Singapore. The U.S. defense chief urged Asian allies Saturday to consider tougher sanctions against North Korea, noting that past efforts to cajole the reclusive regime into scrapping its nuclear weapons program have only emboldened it. (AP Photo/DOD photo by Air Force Master Sgt. Jerry Morrison)
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