Bring first 4 ingredients to a boil in a large pot over high heat. Simmer 45 minutes. Remove chicken and let cool. Reserve broth and skim fat from top. Remove meat from chicken, discarding skin and bones. Cut meat into bite-size pieces. Combine chicken, chicken broth and remaining ingredients in a nonreactive saucepan. Simmer 15 minutes. Season with salt and pepper to taste.
