U.S. Attorney Brandon B. Brown announced that two men involved in the trafficking of methamphetamine have been sentenced. Joseph R. Johnson and Isidro Chavarria were each indicted by a federal grand jury as a result of two separate Organized Crime Drug Trafficking Task Force operations. Joseph R. Johnson, 44, of New Iberia, was sentenced by U.S.District Judge Robert R. Summerhays to 157 months (1…