Meth is already taxed in much of the United States via this convoluted drug tax stamp program. There's this whole fascinating process where their goal is to obviously get you on tax evasion, like Capone. But to make it legal, they have to make it possible for you to pay your taxes, without getting caught. So there's this whole anonymous no questions asked process where you can drop sacks of cash for your mandatory narcotics tax stamps. Some of the designs are truly amazing. [1]

All drugs were decriminalized in Portugal in 2001 and saw Portugal saw their usage remain roughly constant. Their negative health and societal effects, however, plummeted - from among the worst in the EU to among the best in the EU. [2]

I think legalization is a pretty obvious next step. Anybody who wants smack now can get smack, right now. Being illegal isn't making it any less accessible. I strongly believe that if it were legal, there wouldn't exactly be a flood of new drug users lining up at the dispensary to give crystal meth and black tar heroin a go. However not making them available is causing crime, sickness, violence and fueling a drug war that's hurting everyone.

[1] https://www.taxpolicycenter.org/taxvox/why-do-states-tax-ill...

[2] https://www.theguardian.com/news/2017/dec/05/portugals-radic...