Discussion and possible action to select a law firm from the top three highest ranking law firms and to award RFQ#2017-005 "Special Counsel for Webb County - Opioid Litigation" to provide legal services to investigate and if appropriate, initiate litigation against manufacturers and distributors of prescription opioids that have wrongfully caused opioid addiction in Webb County, and authorizing the County Judge to sign all relevant documents; and any other matters incident thereto. [Requested by Commissioners Court]