ABC Affiliates | ShopTalk Maria Antonia Says Goodbye to Kansas City’s KMBC By Merrill Knox on Sep. 17, 2012 - 10:25 AM Maria Antonia has signed off from KMBC after 28 years with the Kansas City ABC affiliate. “As I said at the end of my last KMBC broadcast Friday, I thank the people of our community,” Antonia told Bottom Line Communica ...