Combine olive oil, lemon juice, oregano, mint, parsley, TABASCO® Green Sauce and salt in small bowl. Whisk together until blended; set aside.
Combine pasta, scallions, tomatoes, olives, cucumber and feta cheese in large bowl. Add vinaigrette; toss to coat. Cover. Chill 1 hour. Garnish with lemon wheels and parsley, if desired.
Makes 6-8 servings.