Cover potatoes with water in large saucepan; add salt, if desired. Bring to a boil over high heat. Reduce heat to low and simmer uncovered until potatoes are tender, about 8 minutes. Drain and set aside.
Combine Wish-Bone® Italian Dressing, mayonnaise and parsley in large bowl; stir in red pepper and olives. Add potatoes; toss gently. Season, if desired, with ground black pepper. Serve chilled or at room temperature.