Asif B sample is positive

I can't quite understand the rationale of Mohammad Asif who now thinks that his case is "stronger" because his A sample and B sample haven't recorded the same amounts of drugs in his system. Surely the only question this throws up is the volume of drugs he's taken and that seems an irrelevance when both samples are shows he's tested positive.

As I've burbled about before, I find it amazing how much of this is in the public domain, but I guess that's the way of these things with today's media...