Key facts
- US drug czar Sara Carter criticized WADA's proposed anti-doping changes.
- Carter believes the proposals could undermine clean sport at the Olympics.
- The proposals stem from a doping case involving Chinese swimmers.
- The US was not invited to a WADA meeting discussing these recommendations.
- WADA cited the US's non-payment of dues as the reason for exclusion.
Sara Carter, the director of the U.S. Office of National Drug Control Policy, has strongly criticized proposed changes to anti-doping protocols by the World Anti-Doping Agency (WADA). In an open letter sent Monday, Carter stated that the recommendations, developed in the wake of a doping case involving Chinese swimmers, could "undermine the trustworthiness of the performances of competitors" at future Olympic Games.