New Jersey Sen. Cory Booker introduced a bill to do away with the federal ban on marijuana

AP Photo/Julio Cortez Sen. Cory Booker unveiled legislation Tuesday that would remove marijuana from the federal government’s list of controlled dangerous substances, effectively ending a longtime ban on the drug in what would be a sea change for the U.S. criminal justice system. Booker, a former mayor of Newark, is calling on Congress to legalize marijuana so that minority communities that have been disproportionately punished for low-level drug offenses are treated more fairly. His plan also...