All good biography, as all good fiction, comes down to the study of original sin, of our inherent disposition to choose death when we ought to choose life.
In most modern instances, interpretation amounts to the philistine refusal to leave the work of art alone. Real art has the capacity to make us nervous. By reducing the work of art to its content and then interpreting that, one tames the work of art. Interpretation makes art manageable, conformable.