GROLEJAC, France - It looked for the longest time like Agnes Lacoste, a woman with a striking silvery mane, would have no customers for her "Barbe a Papa" (cotton candy) stall at a nighttime "marche gourmand" in the Perigord village of Grolejac. The paella, grilled duck breast and bottles of rose wine were going down…Read more En Route: The sweet life in Perigord