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But, where mental stamina is a significant factor in performance, it does not seem unreasonable to restrict drugs if you want to make sure the playing field is level.

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It's still nonsense. I think your comment, despite its ostensible reasonableness, ignores the reality of drugs that could aid mental stamina.

You're living in some sort of weird ideal world, not this one. Are you going to ban caffeine?

[/ QUOTE ]I didn't say it was prectical, but rather that the objective was not unreasonable.

I also said "restrict" rather than "ban", caffeine being a perfect example of a drup which would likely be acceptable in limited quantities. There was an uproar in the bridge community about testing for caffeine until it was realized that to go over the allowable level one would have to drink something like a gallon of coffee in an hour.