Baked Oysters: Chowder in a Shell

1/2 cup onion (small dice)1/2 cup leek (small dice)1/2 cup celery (small dice)1/2 cup dry wine1-1/2 cups cream1 tbsp fennel seed (toasted and ground)fork crushed potatobread crumbschopped bacon (reserve bacon fat for cooking the vegetables)chives (chopped...