I have asked repeatedly for a description of this impairment
how can it be measured? what are you talking about? is it balance? because I don't feel it when I ski.
Look, with alcohol it is easy to test and measure impairment - the roadside sobriety test is an objective test that could be performed by two different testers on one drunk subject and the conclusion would be the same. It's a test
describe to me a test I would pass sober and fail stoned - in what observable way am I impaired