Puncture duckling generously with fork; place on rack in roasting pan. Pour most of the sweet red wine over duckling pieces. Roast in slow oven (325 deg), basting occasionally, allowing 25 minutes/pound. In medium saucepan, saute' orange peel and garlic in oil.Mix in potato starch till smooth.Slowly add orange juice, honey and remaining wine. Simmer (1 min). Mix in ginger,pepper and orange sections; simmer (5 min). Serve hot sauce with roast duckling.