Robert Lawrence Horne is an American semi-retired professional wrestler who is most famous for his time in the World Wrestling Federation from 1993 to 1996 under the ring name Mo (later Sir Mo), where he held the WWF World Tag Team Championship with Mabel as "Men on a Mission". After leaving the WWF Mo returned to Memphis and the USWA where he became a part of the original Nation of Domination, the stable that was a forerunner to the more famous stable in the WWF. Mo became "Sir Mohammad", using a black supremacist gimmick. The USWA version of…