In Napoleon's Glance William Duggan discovers the secret of Napoleon's success -- coup d'oeil (pronounced koo-DOY) meaning a stroke of the eye, or "glance" a sudden insight that shows you what course of action to take. It comes from knowledge of the past: You draw on what worked in other situations, in a new combination that fits the problem at hand. Napoleon's Glance -- probably the first book to link Napoleon's victories to Picasso's...