Legalization will eliminate tons of money in wasted prison space, officer resources, and useless agencies. Regulation and commercial production will create billions in new tax revenue. So yes, it should close any budget deficit that the big, stupid government parties are currently generating.
So you believe that if we were to legalize all drugs we would actually close prisons rather than using that extra space by going after the "real" criminals or to take care of overcrowding?
Do you know the percentage of prison inmates who are there on drug charges?