Thirty years ago as a young student minister in Michigan I preached against our government’s persecution and prohibition of drugs. In the back of the room the local police and prosecutors sat, glowering. In the front, in the pulpit, I rolled what appeared to be a joint. However, because marijuana was illegal, I had to use imaginary marijuana, relying only on the placebo effect for our shared spiritual experience. I toked it up, held my breath, and passed it around as a communion. Most people…