With States in the USA having different B.A.C. (blood alcohol content) levels for what is considered drunk,
This is an incorrect premise.
Those BAC levels are about operation of motor vehicles, not “drunk.”
Motor control and reaction time deteriorate before anything we would recognizes as drunkenness.
Those same BAC levels are
not usable for showing dimishied reason.
When you
notice an impaired driver, he is not even
close to the legal BAC, but rather at a multiple. That is, someone who can’t stay in a lane is generally .20or higher, not down near the statutory BAC.
I’ve read plenty of DUI police reports in my practice. I can probably count the number that didn’t include alcohol on breath, slurred speech, and fumbling in the glove box on the fingers of one hand . . .,
Most DUI arrests do
not start as a DUI stop, but rather as traffic stops. Things change when the window goes down and the cop gasps on the breath . . .
I’ve been the only sober person at a party. It’s a lousy position to be in.
However, it beats being the only one who isn’t stoned . . . having seen people in that state left me
horrified at the thought of having it happen to my own mind. It’s like lopping 20 or 30 points off the top of someone’s IQ . . .
after everybody had been drinking at the wedding party for a while already.
with “a while” likely being measured in days, not hours . . .
I would suspect that whether or not one had to drive enters into this question. Which is not to say that getting totally hammered in the absence of driving is fine.
Again, the level at which one should not be driving is
well short of “drunk”, and even farther from “hammered.”