Discuss, consider and take appropriate action regarding the retention and engagement of the law firm of Bickerstaff Heath Delgado Acosta LLP to represent Williamson County/Williamson County Commissioners Court in relation to Cause No. 18-0903-C425; Dee Hobbs, Williamson County Attorney v. Dan A. Gattis, Williamson County Judge, and Terry Cook, Cynthia Long, Valerie Covey and Larry Madsen, County Commissioners, In the 425th Judicial District Court of Williamson County, Texas; and exemption of those attorney services from the competitive bid/proposal requirements of the County Purchasing Act pursuant to the discretionary exemption for personal or professional services, as set forth under Section 262.024(a)(4) of the Texas Local Government Code.