Heat a Dutch oven over med-high heat. Add 1 Tbs oil. Add onion; sauté 1 min. Add garlic, bell pepper, oregano, red pepper flakes, bay leaves; reduce heat to medium. Cover and cook 8 min, stirring occasionally. Add wine, tomatoes, broth, clam juice. Bring to a boil then reduce heat and simmer, uncovered, 20-25 min.