A look at food additives with Ed Blonz, author of the Your Personal Nutritionist series. What exactly is gluconic acid and isopropyl citrate and do we want to be eating them? Master of Wine Mary Ewing Mulligan explains wine labeling. We talk to the creators of Starchefs.com about their site and the Monday, May 5, live netscast of the annual James Beard Foundation Awards Ceremony (this is Oscar Night for the culinary world). Lynne answers listener mail and challenges another listener in this weeks episode of "Stump The Cook." This week's new recipe: homemade crème fraîche.