The Leaf Online:  “A byzantine legal memo of potentially disastrous implications has been released by the Internal Revenue Service, articulating a new theory of the tax code which could result in punitive audits, crippling tax bills and even federal raids for state-legal cannabis retailers — though, curiously, not necessarily for growers.  The federal memo [Warning: extremely esoteric — Ed.], released on January 23rd, poses an existential threat to state-legal dispensaries and adult-use retail stores which have heretofore operated under the largesse of US Tax Court decisions like Californians Helping to Alleviate Medical Problems, Inc. v. Commissioner of Internal Revenue