By Lenny Bernstein and Katie ZezimaThe Washington PostBig pharma is facing a major test in a small courthouse 20 miles south of here: the first trial at which a jury could decide whether drug companies bear responsibility for the nation's opioid crisis. Thousands of cities, counties, Native American tribes and others have filed lawsuits up and down the opioid supply chain, alleging various claims of culpability for the crisis that began with widespread abuse of powerful painkillers.Read more on NewsOK.com