The Florida Times-Union announced newsroom management changes Wednesday that are intended to enhance news coverage, presentation and its role outside the newspaper. Mary Kelli Palka, who’s led news-gathering efforts for more than two years, becomes managing editor of the Times-Union and Jacksonville.com effective immediately. Palka will continue to have oversight of the metro, business and regional news, as well as the copy desk, sports, photo and digital departments, said Kurt Caywood, vice president of audience. read more