A statewide signature-gathering effort is underway for a ballot measure to roll back provisions of California’s Proposition 47, which turned drug possession, drug trafficking and theft into misdemeanors. If adopted by California voters next November, “The Homelessness, Drug Addiction, and Theft Reduction Act,” or “Fix Prop. 47,” would give prosecutors discretion to charge drug addicts with a “treatment-mandated felony” after two drug convictions. These are modest, necessary refo...