East Valley Tribune:  “The state’s top health official is weighing new regulations to ensure that users of medical marijuana snacks and drinks know when to stop.  Will Humble said he may require dispensaries to certify that an employee has discussed with the customer the effects of the product being bought. Humble, the state’s health director, said he exploring the use of what might be called “secret shoppers” to ensure that customers are being told what they need to know to remain safe.”