NBC Affiliates | ShopTalk | TV Biz Jim McKernan Named KWWL General Manager By Merrill Knox on Feb. 9, 2012 - 10:23 AM Jim McKernan has been named vice president and general manager of KWWL, the NBC-affiliate in Cedar Rapids. His first day will be February 27. McKernan joins the station from Bonten Media Group, where he was a senior vice president ...