World Anti-Doping Agency considering appeal of 'no fault or negligence' ruling in Kamila Valieva doping case | CBS Sports Headlines World Anti-Doping Agency considering appeal of 'no fault or negligence' ruling in Kamila Valieva doping case Valieva tested positive for a banned substance in December 2021 but was allowed to … Continue reading World Anti-Doping Agency considering appeal of 'no fault or negligence' ruling in Kamila Valieva doping case