Let a Japanese Professor Explain the East China Sea Dispute

It has come to my attention that a well respected scholar from Japan, Professor Yabuki, has spoken about the dispute involving the Diaoyu/Senkaku controversy. One fascinating pieces of information is that Japan's Ministry of Foreign Affairs has been hiding certain facts of the meeting in 1971 between Japan's Prime Minister Tanaka and China's Zhou Enlai. Non-disclosure has allowed Japan to insist on certain denials and perpetuate the difference in China's position vs. Japan's current position.