"In Eudora Welty's masterful story "Why I Live at the P.O." (1941), the narrator is engaged in a sibling rivalry with her younger sister, who has come home after leaving under suspicious if not actually disgraceful circumstances. The narrator, Sister, is outraged at having to cook two chickens to feed five people and a small child just because her "spoiled" sister has come home. What Sister can't see, but we can, is that those two fowl are really a fatted calf. It may not be a grand feast by traditional standards, but it is a feast, as called for upon the return of the Prodigal Son, even if the son turns out to be a daughter. Like the brothers in the parable, Sister is irritated and envious that the child who left, and ostensibly used up her "share" of familial goodwill, is instantly welcomed, her sins so quickly forgiven. Then"