Heat oil in heavy medium saucepan over medium-high heat. Add onion and sugar. Saute until onion is golden, about 6 minutes. Mix in wine and next 5 ingredients. Cook 1 minute longer. Remove from heat and cool completely.
Place pork in large resealable plastic bag. Pour 1 cup of sauce over. Seal and refrigerate 6 hours or overnight, turning meat occasionally. Cover remaining sauce separately and refrigerate.
Prepare barbecue to medium heat. Remove pork from marinade; discard marinade. Grill pork until meat thermometer inserted in center registers 155° F., turning often, about 35 minutes.
Blanch the peaches in boiling water for 1 minute. Peel, pit, and chop them. Set aside.
Meanwhile, boil remaining sauce in heavy medium saucepan until reduced by half, about 5 minutes. Add peaches. Stir until heated through, about 1 minute.
Slice pork and arrange on platter. Spoon some sauce over. Top with chives. Pass remaining sauce separately. Serves 8.
Per serving: 314 Calories; 8g Fat (24% calories from fat); 37g Protein; 16g Carbohydrate; 111mg Cholesterol; 813mg Sodium
WW Points: 7 pt.
Bon Appetit
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**Some people are like slinkies - not really good for anything.....but they bring a smile to your face when pushed down the stairs!