Eva Marie Uzcategui / Bloomberg via Getty Images fileLegal PotFlorida amendment to legalize recreational marijuana falls short
Michael M. Santiago / Getty ImagesLegal PotTrump says he will vote yes on Florida ballot measure to legalize marijuana
Bill Pugliano / Getty Images fileLegal PotTrump backs marijuana legalization in Florida if 'done correctly'
Francis Chung / Politico via AP fileLegal PotMaryland governor announces pardons of more than 175,000 marijuana convictions
Vachira Vachira / NurPhoto via Getty Images fileLegal PotMartha's Vineyard is about to run out of pot. That's led to a lawsuit and a scramble by regulators.
Leonardo Munoz / AFP - Getty Images fileLegal PotTeens who use marijuana are more likely to suffer psychotic disorders, study finds
Demetrius Freeman / The Washington Post via Getty Images Legal PotJustice Department takes 'major step' toward rescheduling marijuana
Michael M. Santiago / Getty Images fileEXCLUSIVERepublicans soften on federal marijuana reform in a shift that could make it a reality
Madison Hye Long for NBC NewsLegal PotTribe could soon be the first to bring recreational marijuana to North Carolina
Dylan Slagle / The Baltimore Sun via Getty Images fileLegal PotU.S. health agency recommends easing federal restrictions on marijuana
Bryan Woolston / AP fileLegal PotLawmakers seek to loosen rules on marijuana use by military recruits and security personnel
Thomas Samson / AFP — Getty Images fileKids' HealthPot smoking in adolescence linked to depression in adulthood
Ted S. Warren / AP fileJay InsleeWashington's governor to pardon thousands convicted of marijuana possession
Martin Ouellet-Diotte / AFP - Getty ImagesWorldCanada is ready to open the door wide to legal marijuana