Drug prohibition causes problems. It doesn't solve solve them.
Any honest analyst with half a brain knows that.
Yet we have a president in the White House who was (and still may be for all anybody knows) a pothead and he is happy seeing thousands of people in jail and many other hundreds of thousands negatively effected over possession of a plant.
Three cheers for James P. Gray, one of the rare decent men on the bench who is willing to stand up and state the obvious.