On the issue of marijuana and sentencing, I think if we look at the difference between British Columbia and Washington state, the story speaks for itself.
Washington state is very similar demographically to B.C. It has almost no grow ops. They are not a priority for law enforcement or for prosecution. British Columbia has tens of thousands of them.
Now, what's the difference? In Washington state, someone convicted of a major grow would do five years in the penitentiary. They would lose their home. They very likely would have children taken into state custody. In British Columbia, we would take their light bulbs.