R. David Kasher on Parashat Toldot: From Birthright to Blessing

By the time we arrive at Parashat Toldot and come upon two brothers vying for the mantle of family leadership, we can already predict with some confidence that it is the younger brother who will prevail.  If we have been reading Genesis carefully so far, we know: in this book, when brothers are in competition, the firstborn never wins.