In this week's parsha, Lech Lecha, Hashem says he'll make Avram's descendents like stars. We often crow about this – “We're so great,” we say. “We're just like stars.” And no wonder. We get off to a roaring start this week. You’ll forgive me if I’m thinking about outer space – I just saw the movie The Martian last night, and I think stars are totally awesome right now. But so – obviously – does Hashem. Yet that isn’t the most mindblowing thing about this week’s parsha. It opens with the most promising beginning, of any story ever told. Hollywood has nothing on this. Listen to this: Hashem takes a homeless guy. Literally. He’s just been evicted, because he refused to follow the local religion in Ur-Kasdim, where he grew up. He’s not a young guy, either. He’s very, very old, and so’s his wife. They have no children. So Hashem takes this homeless, barren man and makes the two biggest promises of history....