Cannabis potency: “The cart is before the horse, and the horse hasn’t even been born yet”

The Rotary Club of Charlotte-Shelburne-Hinesburg was recently entertained and informed by its own small version of a TED Talk. The talk was given by Dr. John MacKay, a consulting chemist, who helps cannabis extraction companies test and optimize their product. This report is based on his 30-minute presentation and subsequent correspondence.