Cut the chicken breasts into bite size pieces or shred if you are using cooked chicken and combine in a pot with the next 6 ingrediets through cumin. Cook over low heat for about 30 inutes. Add the tomatoes through great northern beans and simmer for 20 more minutes. Remove from heat and add the lime juice. Garnishes: tortilla chips, grated cheese, salsa, sour cream, chopped avocados.