If I were Lance Armstrong, that's what I would insist on in court,

This is not like a pregnancy test, where you are either pregnant or you're not.

This is not like a pregnancy test, where you are either pregnant or you're not. It has to be prepared carefully and interpreted by an expert, who can mostly call it, I believe. But it is definitely skill-based, and that is why Wada is looking for a more clear-cut test.

I wouldn't say that the problems with the old test cast doubt on all positives under it.