Heat the oil in a 3 quart saucepan over medium-high heat. Add the onion, celery, pepper and garlic. Cook, stirring until the vegetables are soft. Add the tomatoes and break up with the back of a spoon. Stir in the broth, thyme and red pepper. Bring to a boil.Stir in the rice. Return to a boil, reduce the heat and simmer, covered, 15 minutes. Stir in the beans, parsley and vinegar. Return to a simmer and cook, covered, 15 minutes longer. Stir in the salt just before serving. ~-