HARRISBURG — When Pennsylvania lawmakers legalized medical cannabis in 2016, they struck an unusual deal: Physicians can approve patients for the program, but they are banned from advertising that power. Lawmakers feared advertising would encourage thousands of patients solely seeking a medical marijuana card to flood the same doctor’s office or would motivate physicians to … [Read more...] about Let’s put up billboards everywhere and tell the physicians to pipe down. Companies blanket Pa. with ads about how to get a medical marijuana card, but doctors are silenced.