Obi Ndefo, an actor who had recurring roles on “Dawson’s Creek” and “Stargate SG-1,” died on Aug. 28 in a hospital in the Los Angeles area. He was 51. Obi Ndefo’s sister, Nkem Ndefo, announced his death in a Facebook post on Saturday night, writing: “Heartbroken at the loss of my younger brother and knowing […]