ABC Affiliates | Digital | ShopTalk Columbia’s KMIZ Adds 6:30 p.m. Newscast, In HD By Merrill Knox on Oct. 12, 2011 - 10:53 AM KMIZ, the ABC-affiliate in Columbia-Jefferson City, has ventured into the 6:30 p.m. timeslot with a new, high-definition newscast. The program, which launched Monday, is the only 6:30 p.m. newscast in the market. It is co-anchored ...