NBC Affiliates | Top 10 | TV Biz Steve Carlston Named President and GM of KNBC By Merrill Knox on Sep. 22, 2011 - 3:56 PM Steve Carlston, who has been vice president and general manager of the Four Points Media duopoly KUTV-KMYU in Salt Lake City since 2009, will take over as president and general manager of NBC owned-and-operated KNBC in Los Angeles ...