Last June, Boise, Idaho resident William James Esbensen, who operated a medical marijuana co-op in Ontario, Oregon, was found guilty of receiving "proceeds" from marijuana sales, under a law that was no longer in effect. During the trial, prosecutor William Dugan — acting on the assumption that time must yield to the imperatives of power, in this case exercised on behalf of marijuana prohibition — repeatedly insisted that it was impermissible, under Oregon law, to receive money in exchange for medicinal cannabis provided to an approved patient. ...