Want to follow swimming in Paris? Then get up to speed on WADA, doping and China

TOKYO — The Paris Olympics open next month and the agency that oversees doping enforcement is under scrutiny following allegations it failed to pursue positive tests of Chinese swimmers who subsequently won medals — including three gold — at the Tokyo Games in 2021. The focus on the World Anti-Doping Agency and China's swimmers raises questions for athletes about the fairness of the competitions and the effectiveness of doping control at the Olympics. "It's hard going into Paris knowing that...