Heat the oil in a medium saucepan over medium-high heat. Add garlic; sauté 1 minute, stirring frequently. Add onion and celery; sauté for 1 minute, stirring frequently. Add red pepper; cook 1 minute. Stir in wine; cook 1 minute. Stir in tomatoes; bring to a simmer. Cook 5 minutes, stirring frequently. Add broth and next 6 ingredients (through beans); bring to a boil. Cover and reduce heat; simmer 2 minutes. Add clams to pan. Cover and cook over medium-high heat 5 minutes or until clams open; discard unopened shells. Ladle 2/3 cup soup into 4 bowls; top each with 3 clams. Serve with toast.