MEMPHIS, Tenn. (WHBQ FOX13 myfoxmemphis.com)  –  Friday marks 40 years since civil rights pioneer Martin Luther King was tragically murdered in Memphis. The anniversary has some traveling back in time to the days before the south was desegregated. In 1961, while in his twenties, Jim Ruth worked for a Nashville bus company. That year a special group of students from Fisk University boarded his bus and took a Freedom Ride.  Click here for video…