One loss will be big layoffs in the prison industry which is the major employer in many areas. Also deficit in many police departments which got addicted to the revenue from forfeitures
I would not legalise pot completely. I would make the purchase sort of difficult through limiting amount and time when it can be bought and only in licenced places. Non licenced sale would be a minor crime or misdemeanor punished by fines.
Most importantly we need to get a handle on the culture of death and promiscuity. In my opinion, we will not be able to do so if we pretend that desensetizing ourselves is normal. Bt, as I mentioned earlier, I continue to pray that we realize the road we are sliding down.