Sprinkle chicken with 1/4 teaspoon of the salt and the black pepper. Place chicken in a 3 1/2- or 4-quart slow cooker. Top with drained beans, fennel, sweet pepper, onion, garlic, rosemary, oregano, and crushed red pepper. In a medium bowl, combine undrained tomatoes, wine, tomato paste, and the remaining 1/2 teaspoon salt; pour over mixture in cooker.
Cover and cook on low-heat setting for 5 to 6 hours or on high-heat setting for 2 1/2 to 3 hours.