“I can think of no right more fundamental than the right to peacefully steward the contents of one’s own consciousness. The fact that we pointlessly ruin the lives of nonviolent drug users by incarcerating them, at enormous expense, constitutes one of the great moral failures of our time. (And the fact that we make room for them in our prisons by paroling murderers, rapists, and child molesters makes one wonder whether civilization isn’t simply doomed.)”