In a large sauce pan, fry the Italian sausage over medium-high heat.
Cook, stirring constantly, until well browned.
Drain on paper towelling and discard all but 2 tablespoons of the oil.
In the sauce pan, combine the olive oil, leeks and celery with the reserved sausage oil over medium-high heat.
Cook, stirring occasionally, until the leeks just become soft.
Add the ground beef, salt, garlic, and cumin.
Cook, stirring often, until the meat is well browned.
Stir in the tomatoes, their juice, chili powder, paprika, crushed beef and chicken bouillon cubes, and vegetable juice.
Reduce heat and simmer, uncovered, for 10 minutes.
Add the sausage meat, oregano, pepper, beans, onion and green pepper.
Simmer for 45 minutes, stirring occasionally.
Cover chili and let stand for 10 minutes before adjusting the spices.
Serve hot with a sprinkle of grated Cheddar cheese or a dollop of sour cream.