Pro's: people with cancer or other ailments that cause horrible pain and nausea may get a bit of relief
our police will be spending less time on infractions involving mj and concentrate on the hard core drugs like heroin, coke, crack, and people that are selling their methodone for other stuff.
Con's: get the government involved and they will tax the daylights out of it, sell the nasty brown weed to the people who really need it and save the good stuff for themselves.