i think they've had plenty of those
this seems like the first time there are a lot of genuine intimidation tactics in play from the anti-dopers.
course then you hear about the gene therapy... it's just like any goodguy/badguy cat&mouse out there. technological advances will always allow for windows of opportunity, just matters who seizes upon them first.
in any case, that birds nest thing is fucking wild...
all in all most of it should be an awesome spectacle.