What Jeff Sessions doesn't understand about medical marijuana
Attorney General Jeff Sessions during a Sept. 5, 2017 press briefing. (Screenshot)

By C. Michael White, Professor and Head of the Department of Pharmacy Practice, University of Connecticut. Patients in 29 states can legally use medical marijuana to treat their symptoms. SageElyse/shutterstock.com On Jan. 4, Attorney General Jeff Sessions rescinded the Cole memo, a 2013 document that limits federal enforcement of marijuana laws.