Jackie Bradford, prexy and g.m. of NBC owned-and-operated station KNSD-TV San Diego, has been promoted to the same position at the Peacock’s Washington, D.C., O&O, WRC-TV.She succeeds Michael Jack, who was tapped to head NBC flagship station WNBC in Gotham last month. Bradford will continue to oversee the San Diego and D.C. stations until a head for KNSD is found. She reports to NBC Local Media prexy John Wallace. “She an innovative thinker who has a great way with people,” Wallace said in a stsatement, “as well as strong ties to the Washington, D.C., community.” Bradford is familiar with the D.C. station. The exec worked as finance director at WRC from 2000 to 2008, when she left to run KNSD.