Who deserves the mercy and grace of the Lord? The person born into the right family? The firstborn into that family? The one who lives the morally superior life? The events of today's passage preview the next 10 chapters in Genesis and are used to illustrate key truths in the New Testament. Isaac and Rebekah will have twin sons. There will be struggle and deception. The Lord will have mercy on one and not the other. Is this fair?