Why does the Torah preface the story of Yakov (Jacob) and Esav with the statement that Abraham birthed Isaac? What is the significance of the fact that Isaac was forty years old when he got married? What is the spiritual power of the circumcision of Ishmael at age thirteen? What is the spiritual power of Isaac's binding? What is the spiritual inheritance that Jacob is given and in turn gives to us? Find out in this week's parsha podcast.