Is an aid for historians really worth all the upheaval and problems a trial would cause?  Denialism can still continue even though there are established facts, such as denial of the Japanese role in Second World War forced prostitution [1] .  [1] See Honda, Masakazu and Takada, Makoto, “LDP Pressure led to cuts in NHK show”, The Asahi Shimbun, 12 January 2005,