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The International Olympic Committee's plan to retest samples from the Beijing Games is proof that it intends to walk the talk on doping.

How times have changed. A couple of decades ago, there remained a sense of embarrassment about doping within the Olympic movement, a feeling that having to test was a necessary evil. Any positives were treated like a red sock in the white wash, something that tarnished the movement's image. In other words, it was best not to draw attention to them.

Not any more. IOC president , the medical man, sees doping for what it is: Fraud that threatens sport's credibility.