Skin chicken. In a large skillet cook chicken in hot oil over medium heat for 10 to 15 minutes or until chicken is lightly browned, turning to brown evenly. Remove chicken; set aside.
Add the onion, carrot, parsley, garlic, sage, and pepper to skillet; cook for 4 to 5 minutes or until vegetables are tender. Stir in chicken broth, wine, and tomato paste. Return chicken to skillet. Spoon sauce over chicken. Bring to boiling; reduce heat. Cover and simmer for 20 minutes. Uncover; cook for 5 to 10 minutes more or until chicken is tender and no longer pink. Remove chicken from the skillet; keep warm.
For sauce, skim fat from the mixture in skillet. In small bowl stir together cornstarch and water; add to skillet. Cook and stir until thickened and bubbly. Stir in sliced olives; cook and stir for 2 minutes more. To serve, spoon sauce over chicken. Makes 6 servings.