In 4 quart slow cooker, combine all ingredients except tortillas, cheese, cilantro, and chips. Cover and cook on high 4 hours, stirring occasionally. Remove and discard bay leaf.
Meanwhile, preheat oven to 375°. Stack tortillas and use a pizza wheel to cut into ½ inch strips. Place strips on rimmed baking pan. Bake 5 minutes; stir strips and bake 5 minutes longer or until crisp. Ladle soup into bowls. Sprinkle each with