Australia fear World Cup plans could be hit by Michael Hooper farce

• Sanzar and Australia in conflict over flanker’s Rugby Championship ban• Outcome could have impact on Australia’s World Cup group gamesThe truncated Rugby Championship ends next weekend when Australia and New Zealand meet in Sydney to contest the title, but the final week will start on a farcical note with the tournament organisers appealing against a one-match ban imposed on the Wallabies flanker Michael Hooper on the basis it was too lenient, while the player has appealed on the grounds it was too severe.Hooper was this week suspended for striking the Argentina fly-half Nicolás S&aac…