Japan's former Prime Minister Yukio Hatoyama speaks during an interview with Reuters at his office in Tokyo August 21, 2012. Three years after Hatoyama led Japan's Democratic Party to a victory over its long-dominant conservative rival, the former prime minister fears the party he had helped to found has become an ally of the same vested interests it sought to destroy. To match Interview JAPAN-POLITICS/HATOYAMA REUTERS/Yuriko Nakao (JAPAN - Tags: POLITICS PROFILE)