SIOUX FALLS, S.D. (MITCHELLNOW) – United States Attorney Alison J. Ramsdell announced today that U.S. District Judge Karen E. Schreier has sentenced a Worthington, Minnesota, man and a Brandon, South Dakota, man convicted of Conspiracy to Distribute a Controlled Substance. Keophothone Rounoubon, age 31, was sentenced on April 16,…