Mealey's (April 23, 2020, 1:54 PM EDT) -- OAKLAND, Calif. — A federal judge in California on April 22 granted final approval to a $175 million shareholder derivative settlement with opioid drug distributor McKesson Corp. stemming from allegations that several of the company’s current and former senior officers and directors failed to conduct the necessary oversight of opioid drug sales, even after the company twice had been hit with fines for previous compliance failures, finding the proposed deal to be fair, reasonable and adequate (In re McKesson Corp. Derivative Litigation, No. 17-1850, N.D. Calif.)....