Inspired light cooking from one of America's masters—Martha Rose Schulman, author of the award-winning books Mediterranean Light and the recently published Mexican Light. Today's recipe is refried black beans. Cheesemonger Steve Jenkins returns with his picks for the best in American spring cheeses. An interview with Kate Greer, Editor-in-chief of Weight Watchers magazine about its recent makeover. Lynne answers listener mail and tries to outsmart our contestant in this week's episode of "Stump The Cook."