In 2-quart pitcher stir together all remaining ingredients except orange slices.
Stir in tea. Serve over ice; garnish each serving with orange slices.
Sweeten to taste.
Nutrition Info Per Serving (about 1 cup): Calories 45 Total Fat 0 g Cholesterol 0 mg Sodium 10 mg Potassium 103 mg Total Carbohydrate 12 g Dietary Fiber 0 g Sugars 10 g Protein 0 g