One of the benefits of my recent travels was that I picked up a copy of CANDID CHRONICLE, an advertiser-supported pro-marijuana weekly published in the form of a tabloid newspaper. This week's lead story was headlined, "The least sexy part of the cannabis industry," and it concerned laboratory testing. Consumers want their weed tested for many reasons: chief among them, to find out whether and how much pesticide it contains. The laboratories and the equipment used to do this work are, indeed, an un-sexy subject, but make for very lucrative markets. The article informed readers that they shouldn't rely on any lab that does not have ISO 17025 accreditation, an assurance of technical competence. A good thought. I will only add that since this isn't a singles' ad, the "ISO" doesn't stand for "in search of." It means "International Organization for Standards," even though that seems not to have the order of letters right. ...