The heirs of late broadcasting icon Larry King are going after a pill provider over claims it is using his likeness in advertisements years after his death, despite an agreement by the company saying it would stop. An explosive lawsuit filed by King’s estate names Verified Nutrition and its owners as defendants, alleging the supplement maker continued to feature the legendary talk-show host in ads after his death. Verified Nutrition makes ProstaGenix, a product that says its high-potency