TOKYO - NOVEMBER 07:  (L-R) Cambodian Prime Minister Hun Sen, Laotian Prime Minister Bouasone Bouphavanh and Japanese Prime Minister Yukio Hatoyama attend a joint press conference following the Mekong-Japan Summit Meeting at Hatoyama's official residence on November 7, 2009 in Tokyo, Japan. The two-day meeting is held to develop the relationships with Japan and five countries of the Mekong region. Getty Images logo Getty Images 2 weeks ago

TOKYO - NOVEMBER 07: (L-R) Cambodian Prime Minister Hun Sen, Laotian Prime Minister Bouasone Bouphavanh and Japanese Prime Minister Yukio Hatoyama attend a joint press conference following the Mekong-Japan Summit Meeting at Hatoyama's official residence on November 7, 2009 in Tokyo, Japan. The two-day meeting is held to develop the relationships with Japan and five countries of the Mekong region.