(August 31, 2015, 9:53 AM EDT) -- SANTA ANA, Calif. — A California judge issued a tentative ruling on Aug. 27 in a lawsuit by two counties against six drug manufacturers, saying the plaintiffs’ concerns about the marketing of opioid drugs is best left to the Food and Drug Administration (People of the State of California v. Purdue Pharma, et al., No. 2014-00725287, Calif. Super., Orange Co.)....