LOS ANGELES, United States (AFP) — United States (US) Anti-Doping Agency Chief Executive Officer Travis T Tygart criticised World Anti-Doping Agency (WADA) officials on Tuesday over plans to change testing at major events, giving sport federations a greater role. WADA unveiled ideas for change as part of 19 recommendations in a report by its Working Group on National Anti-Doping Organizations Operational Independence (WGOI). "It has been reported that some stakeholders, including athletes,...