(As far as the Australian perspective goes, such a system could easily be implemented in the far north of Australia; it could even be combined with the revolutionary Russian drug addiction treatment, with harsh boot camps for junkies being established in the same general vicinity as migrant detention centres. (As for importing the City Without Drugs programme to the United States, that would be easy to do; just add a faith-based element and have someone preach fundamentalist Christianity at the junkies whilst they lie strapped to their beds in withdrawal Hell.)