Heirs Ex Nihilo

In these verses Paul begins to explain how it is that those who believe like Abraham believed are Abraham's descendants. What is the promise made to Abraham that he believed? What are the two categories that Paul presents for our consideration? What is the consequence of confusing these categories? What is it that the Law brings about? Why can it not bring about the inheritance of the promise? Why must the inheritance come by faith? What is it that is "in the presence of God?" What did Paul have in mind when he spoke of God giving life to the dead? Why is it important that God calls into being that which did not exist? (58 min)