World Anti-Doping Agency reviewing cannabis' status as banned substance following Sha'Carri Richardson's DQ | CBS Sports Headlines World Anti-Doping Agency reviewing cannabis' status as banned substance following Sha'Carri Richardson's DQ The announcement comes two months United States track star Sha’Carri Richardson was disqualified from competing in the Tokyo Olympics ESN … Continue reading World Anti-Doping Agency reviewing cannabis' status as banned substance following Sha'Carri Richardson's DQ