The chief of the World Anti-Doping Agency said Friday the anti-doping system has become "more robust" over the past three decades, since Japan last hosted the Asian Games."The system is in a completely different place than it was (in) 1994 when Hiroshima hosted the Asian Games," Witold Banka said in an interview with Kyodo News in Tokyo, as he is visiting Japan for the Aichi-Nagoya Asian Games.The previous Japanese Asian Games were overshadowed by a series of doping cases involving Chinese athletes, who had performed well but later tested positive for prohibited drugs.Noting that WADA was e…READ FULL ARTICLE