In letter, USADA says it can't change marijuana rules alone
U.S. Anti-Doping Agency leaders are pushing to further mitigate โharsh consequencesโ for marijuana if itโs not intentionally used to enhance performance, though they cannot unilaterally change the rules, they wrote in a letter to members of Congress critical of the agency in the wake of sprinter ShaโCarri Richardsonโs ban from the Olympics.