You and I both know that it would take us five minutes to produce a book that offers a more coherent and compassionate morality than the Bible does. Did I say five minutes? Five seconds—just tear out Leviticus, Deuteronomy, Exodus, and 2 Samuel from the Old Testament, and 2 Thessalonians and Revelation from the New Testament. The book would be mightily improved. Would it then be the most profound book we have on morality (or cosmology, biology, psychology, etc.)? Not by a long shot. But it would be a much better book than it is at present.
Belated technical note: Richard Dawkins has the Sam Harris-Andrew Sullivan debate in HTML, making searching for:
...much easier.