(August 1, 2023, 4:59 PM EDT) -- SAN FRANCISCO — The California federal judge presiding over the McKinsey & Co. opioid promotion multidistrict litigation has granted the consulting company’s motion to dismiss the claims of eight sets of plaintiffs suing on behalf of minors born with neonatal abstinence syndrome (NAS), saying the plaintiffs failed to show that the defendant owed them a duty....