World Rugby bosses said Wednesday they are not concerned by the recent upheaval within the Japan Rugby Football Union and that it will not impact this year's World Cup.They also pledged to continue working with the JRFU after the tournament finishes on Nov. 2 to ensure the benefits of the World Cup are maximized at all levels of the game, from the proposed Nations Championship to grassroots rugby in Japan.JRFU Honorary President Yoshiro Mori resigned April 17 and indicated the current board should follow suit to take responsibility for the lack of progress made in promoting the World Cup an…READ FULL ARTICLE