So now I have to perform a blood test to ensure someone is below the legal limit?
Yea, this ends well.
And who pray tell do you think is going to regulate the strength of the pot itself? Oh yea, the gubment then gets in that business as well.
I mean, I don't think that's necessarily a bad thing. At least, certainly not worse than regulating the alcohol content of booze. As a full-blown libertarian, I'd prefer no regulation in either of those areas, but I'm also a realist.
As for the problem with a blood test, I think you're just being stubborn. First of all, it can be administered with a piss test too. Just the same as a long-term test. What's the difference in testing for long term and short term use?
FWIW, based on that video, I think the legal limit of 5 nanograms they are proposing should be upped to near 20, since all of the test cases were well over that and still drove fine.