By and large weed is their biggest commodity so legalizing a domestic supply will put a big squeeze on them. They will still have hard drugs to smuggle and fight over.
It is very rare that we can have a discussion on this topic without the invective. It is a serious topic with lots of permutations.
Yep. Some "more conservative than thou" authoritarians will be here soon to call you a liberal or doper pretty quick. Still, the WOD has been a disaster for liberty and a boon for the criminals.