The Texarkana Symphony Orchestra (TSO) Announces Its 10th Annual Celebrity Conductor Competition … This year’s competitors include Cassy Meisenheimer, publisher of Texarkana Monthly; Jane Portis, Residential Case Manager with Randy Sams’ Outreach Shelter; Randy Roeser, attorney with the firm of Haltom & Doan; and Brandon Washington, Vice President of Operations at Texarkana College.