Spotlight on transparency

IOC, WADA make 'trust and credibility' top priorities

Declaring that the global drug-testing system is damaged, Olympic leaders and anti-doping officials vowed on Tuesday to fix the problems and prevent the type of scandal that has embroiled Russian athletes in the lead-up to the Rio Games.

The IOC and the World Anti-Doping Agency clashed again on Tuesday over allegations of state-sponsored doping in Russia that have rattled the Olympic movement and created chaos ahead of Friday's opening ceremony.