"National" in the sense of multistate - but properly federal only as regards stoned drivers crossing state lines.
There is a need for such legal standards, procedures like field sobriety tests, and technology like alcohol breathalyzers.
There is an opportunity for some small secondary industries need to fill these niches.
Agreed.
“”National” in the sense of multistate”
That is what I meant (not Federal). Every State should get ready for it.