just an attempt by the pro-legalization crowd to latch on to the energy crisis to get their drugs legalized.
I'm no dope smoker, nor do I support all the nonsense of the "libertarian" wing....but I think they are talking about the kind of Hemp with a THC content that would be more likely to give you a headache than a high.
Again, I'm no expert.....
Too bad the anti-Volstead folks didn't think of this back when it was illegal to consume C2H6O. "Hey, why not alcohol? You can even burn this stuff in your Model T!"