Full of the macabre touches and dark humor that have made Paula Rego's reputation, "Stone Soup "is a new version of the traditional Portuguese folktale by her daughter, the designer and writer, Cas Willing.Typically read to children to encourage cooperation in times of scarcity, the fable has existed in numerous incarnations for centuries. We follow the efforts of a young female traveler in her attempt to save herself from starvation, persuading a...