Mike Landess, a television-news fixture for half a century who retired less than two years ago, will once again be an anchor in Denver. KWGN-Channel 2 said Wednesday that Landess will be co-anchor of a new 4 p.m. newscast, starting July 18, as well as a 7 p.m. news show. He will be joined on both newscasts by co-anchor Deborah Takahara and meteorologist Matt Makens, a new arrival at the Tribune Media Co.-owned Denver station, branded as Colorado's Own Channel 2. "My motto is 'Be where you're supposed…