Lemuel Greene was a trainer for National Home Manufacturers, a large builder of prefabricated homes. National Home had hired Greene fresh from graduate school with a master's degree in English. At first, the company put him to work writing and revising company brochures and helping with the most important correspondence at the senior level. But soon, both Greene and senior management officials began to notice how well he worked with executives on their writing, how he made them feel more confident about it, and how, after working with an executive on a report, the executive often was much