Red Wine-Braised Polpo with Black Olives

Red Wine-Braised Polpo with Black Olives 3 tablespoons extra-virgin olive oil1 large onion (cut into 1/2-inch dice)1 large carrot (cut into 1/2-inch dice)2 garlic cloves (minced)2 celery ribs (cut into 1/2-inch dice)1/4 teaspoon crushed red pepper1 bay leafOne...