Four reasons why not
Exposure. Cheap, available drugs would increase addiction; only 10% of drinkers become hooked, while an estimated 75% of regular drug users could become addicted.
Exotics. Legalization could lead to the sale of synthetic drugs or derivatives like crack without any understanding of their effects.
Medical costs. The health costs of drug abuse, estimated at $60 billion annually, would increase.
Social mores. Removing the legal strictures could make drug use socially acceptable....