Once weed is legal this problem will solve itself.
It is coming so why drag...(get it drag?) it out.
This will solve a large part of the problem...until then...
CLOSE THE BORDERS....ALL OF THEM...AND DEPORT NOW....
I'll just bet if those who "make too much money" to find legitimate work have to be subject to the same rules as they do to work, they'll soon find a way to get off pot or whatever else they're taking (same also goes to those "working" at the unemployment offices and for ALL civil "servants" whose jobs should be subject to the same laws!)