Which is spent on drug enforcement for ALL drugs, not just marijuana. Getting money for drug enforcement, hiring people to do drug enforcement, and then spending all the money you're given on drug enforcement is not what I call income.
Taxing drugs and putting that money in the general fund -- that's income.
"A lot of rednecks I know would switch from alcohol to marijuana in a heartbeat if it were legalized."
Sounds like a local thing and not something upon which to build a national policy. You don't happen to have any studies that show alcohol users would switch to marijuana, do you?
Not on me, next time I go out to the local biker bar, I'll do a survey for you.