The best example of how impossible it will be for Major League Baseball to crack down on steroids is the fact that baseball and the media are still talking about the problem as 'steroids.'
If we bestow but a very little attention to the economy of the animal creation, we shall find manifest examples of premeditation, perseverance, resolution, and consumate artifice, in order to effect their purpose.
If you don't physically age gracefully, it's a bit sad. I think Steven Tyler can get away anything, because he still looks like he did in '73. Especially from row Z backwards in an arena. As long as the Stones keep their hair and don't get fat they'll get away with the wrinkles.