Pilot groups say the testing system itself needs modernization.
Critics of the testing system, however, have questioned whether the hypothetical cases are rigorous enough.
But campaigners claim that, even without such brazen "defeat devices" installed, the testing system is not fit for purpose.
That so many players did not test positive suggests that the testing system can be beaten.
She also questioned what Mr. Scott meant by calling the testing system a "perversion".
Your editorials can help achieve this worthy goal by honestly appraising the testing system.
"Marion Jones beat the testing system for years, and we know she wasn't alone".
School officials say the testing system has many flaws, most notably the fact that there are no consequences for cheaters.
Djokovic said he had lost faith in the testing system, while Nadal said he believed 100 per cent in Troicki.
Chancellor Joel I. Klein has tried to rejigger the testing system to be more fair, with uniform cut-offs citywide and better outreach to less-advantaged areas.
Mr. Mills said the testing system had been reviewed by the federal Department of Education and had also been vetted by a group of outside experts.
