Smoked Salmon Chowder with tomatoes

1 tablespoon olive oil 3 medium leeks , white and light green parts only, rinsed and sliced 1 garlic clove , minced 1 large russet potato , peeled and cubed 1[...]

1/4 lb salt pork (ground) 2 medium onions , peeled and medium dice 3 carrots , peeled and medium dice 3 stalks celery , medium dice 2 cups chicken stock 2[...]