After some members expressed reservations, the Iowa Pharmacy Board decided on Wednesday to delay its decision on marijuana’s drug classification until January. A board subcommittee initially recommended that the entire board consider reclassifying the substance from a Schedule I drug to a Schedule II drug. The recommendation was based on marijuana’s use for medical purposes, bolstered by a new law in Iowa that made the use of CBD oil, which is derived from the marijuana plant, legal for the treatment…