[In mid-April Japan's deteriorating relations with China produced mass Chinese demonstrations and much handwringing around the Pacific. Subsequently, the frictions again receded into the background, partly as a result of Prime Minister Koizumi Junichiro's April 22nd expression of “deep remorse” at the Africa- Asia summit in Jakarta. Yet according to Kaneko Masaru of Keio University, the problems are hardly over. Even if the tensions don't soon erupt again, they are rooted in multiple and deep-rooted conflicts, and may result in continuing political and economic costs on Japan.]