http://www.guardian.co.uk/world/2010/feb/04/japan-sumo-champion-asashoryu-retires 日本の横綱朝青龍、相撲から引退Justin McCurry guardian.co.uk, Thursday 4 February 2010 11.52 GMT Article history大相撲の横綱朝青龍は、騒動に揺れ続けるこのスポ…