Broiled Swordfish à la Niçoise

Name: Broiled Swordfish à la Niçoise
Ingredients: 1 1/4 cups pearl barley; 1 cup pitted Kalamata olives, halved; 1 medium size red onion, sliced; 1 tablespoon chopped fresh thyme; 1 teaspoon grated lemon peel; 1/2 pound haricots verts, trimmed; 1/3 cup plus 1/2 cup olive oil; 12 cups water; 2 cups grape tomatoes, halved; 2 medium size red bell peppers, thinly sliced; 2 medium size yellow bell peppers, thinly sliced; 3 garlic cloves, minced; 3 tablespoons fresh lemon juice; 8 6 ounce swordfish steaks; Lemon wedges