[contentcards url=”https://reason.com/2022/04/14/congress-should-not-legalize-marijuana-marco-rubio-says-because-black-market-weed-is-laced-with-fentanyl/” target=”_blank”] by Jacob Sullum When Sen. Marco Rubio (R–Fla.) was seeking the 2016 Republican presidential nomination, a local paper noted that he had “a long…