AdvertisementSha'Carri Richardson sees a double standard in allowing Kamila Valieva to competeFebruary 15, 2022Bill ChappellfacebookEmailA positive drug test denied U.S. sprinter Sha'Carri Richardson a chance to compete in the Tokyo Games; Russian skater Kamila Valieva had a different experience. (Jonathan Ferrey/Getty Images; Matthew Stockman/Getty Images)