Spring Seafood Stew

Name: Spring Seafood Stew
Ingredients: 1 teaspoon olive oil; cooking spray; 1 cup thinly sliced leek (about 1 large leek); 3 cloves garlic, minced; 1 cup dry white wine; 1 (14 1/2 ounce) can reduced-sodium fat-free chicken broth; 3⁄4 lb medium shrimp, peeled and deveined; 3⁄4 lb large scallop, cut in half horizontally; 2 tablespoons chilled butter, cut into small pieces; 1 1⁄2 cups chopped plum tomatoes; 1 tablespoon minced fresh tarragon; 1 teaspoon grated fresh lemon rind; 1⁄2 teaspoon salt; 1⁄2 teaspoon black pepper; 1⁄4 teaspoon ground red pepper