Under our beloved constitution that is not the case. However, it is also true that states are free to have whatever drug laws they wish without federal interference.
President Reagan was a good man, but he should have listened to Mrs. Reagan regarding drug policy - "Just Say No" is the only sane thing to do. Asset forfeiture (and the ability of police to confiscate property that is "suspected" as being involved in a drug "crime" is unAmerican. As are the anti-financial privacy laws his administration enacted. Only the corrupt rich get it. Everyone else gets screwed.
I disagree. PCP, Meth, LSD, etc have no bisiness being legal for human ingestion/recreation. ANymore than Restaurants should be able to serve human flesh.