LAST YEAR Senate Majority Leader Mitch McConnell signed his name on the 2018 Farm Bill using a pen made of hemp. Among other initiatives, the bill removed hemp from the Controlled Substances list, where it had languished since 1970. To address the elephant in the article: Hemp is not marijuana, its THC-potent sibling. It’s a perfectly respectable (read: non-high inducing) plant that produces fibers for textiles, plastics, paper and a host of other products. The passing of the Farm Bill is the surest sign yet that hemp has shed its headshop connotations and entered the mainstream. Included in that transformation is its...