With “The Force Awakens” only a week away, we pause to ponder why we’ve anticipated this film release for more than three years. What spoilers have we avoided? (This episode certainly contains none.) What does it mean that “Star Wars” is now an extended film franchise releasing new films annually? How many times are we going to see the film next weekend, and how will we find time to podcast about it? And perhaps most importantly, can any new “Star Wars” movie ever possibly hope to capture the excitement we felt when we discovered these films as children?