Meet Della Carmichael, owner of a cooking school in Santa Monica, California, and, as of this week, star of a brand-new cable cooking show. But she’s about to add a new position to her résumé: suspect... The first live airing of "In the Kitchen With Della" opens like other cooking shows—with a chef surrounded by bowls of ingredients in a shiny studio kitchen. But it ends like a crime scene detective show—and...