Japan's main horse racing governing body on Friday announced the retirement of its most successful female jockey, Nanako Fujita, following her suspension for taking a smartphone inside a restricted area of a racecourse.The Japan Racing Association accepted the 27-year-old's retirement after it was discovered she had used a smartphone in the area where jockeys are banned from using communication devices to prevent them from having contact with the outside world before a race.The ban is intended to prevent the illegal sharing of information that could affect the integrity of the sport, which …READ FULL ARTICLE