Hakuho put on another sumo clinic on Sunday to stay unbeaten and tied for the lead with fellow Mongolian grand champion Harumafuji after eight days of action at the Summer Grand Sumo Tournament.Hakuho oozed class in his bout against struggling Kotoshogiku (1-7) at Ryogoku Kokugikan, quickly taking the sekiwake down with a textbook pulling overarm throw to move to 8-0 at the 15-day meet in Tokyo.Harumafuji was equally imperious in the day's penultimate bout, ramming second-ranked maegashira Chiyoshoma (1-7) off the dohyo and into the ringside cushions with a devastating neck thrust.Sekiwake …READ FULL ARTICLE