Leroy Sievers is the former "Nightline" executive producer who has been commenting on the air and blogging about his cancer for National Public Radio. Sievers had previously been the CBS bureau chief in Los Angeles, and after leaving "Nightline" became a guest lecturer at USC Annenberg. He won 12 national news Emmys, two George Foster Peabody Awards and two Alfred I. DuPont-Columbia University Awards during his career. Sievers died Friday. NPR story


