As you know the weed grows wild in every state, therefore there is no interstate commerce involved. The governments hands are tied.-- government narcotics official, Refer Madness.
http://www.archive.org/stream/reefer_madness1938/reefer_madness1938_256kb.mp4
I love it: Reefer Madness, Know your rights, and Ken H all ahve the same view of the commerce clause power!
The parts that you like.