When an ermine kills her beloved chicken one Christmas morning, Sy Montgomery learns a lesson in forgiveness that reaches far beyond the hen house. Part of a Constant Wonder series marking the Christian Advent with daily vignettes that distill the spirit of the season, in keeping with our mission of exploring wonder and awe in all nature, human or wild, vast or small: encounters that move us beyond words. Guest: Sy Montgomery, author of "How To Be A Good Creature: A Memoir in Thirteen Animals"