From The Economist:
Indeed, far from reducing crime, prohibition has fostered gangsterism on a scale that the world has never seen before. According to the UN’s perhaps inflated estimate, the illegal drug industry is worth some $320 billion a year. In the West it makes criminals of otherwise law-abiding citizens (the current American president could easily have ended up in prison for his youthful experiments with “blow”). It also makes drugs more dangerous: addicts buy heavily adulterated cocaine and heroin; many use dirty needles to inject themselves, spreading HIV; the wretches who succumb to “crack” or “meth” are outside the law, with only their pushers to “treat” them. But it is countries in the emerging world that pay most of the price. Even a relatively developed democracy such as Mexico now finds itself in a life-or-death struggle against gangsters. American officials, including a former drug tsar, have publicly worried about having a “narco state” as their neighbour.
The failure of the drug war has led a few of its braver generals, especially from Europe and Latin America, to suggest shifting the focus from locking up people to public health and “harm reduction” (such as encouraging addicts to use clean needles). This approach would put more emphasis on public education and the treatment of addicts, and less on the harassment of peasants who grow coca and the punishment of consumers of “soft” drugs for personal use. That would be a step in the right direction. But it is unlikely to be adequately funded, and it does nothing to take organised crime out of the picture.
Legalisation would not only drive away the gangsters; it would transform drugs from a law-and-order problem into a public-health problem, which is how they ought to be treated.
More here.
