G. RICHARD SHELL is the Thomas Gerrity Professor of Legal Studies, Business Ethics, and Management at the Wharton School. The creator of Wharton’s popular “Success Course ,” his previous books include the award-winning Bargaining for Advantage: Negotiation Strategies for Reasonable People and, with Mario Moussa, The Art of Woo: Using Strategic Persuasion to Sell Your Ideas. He lives with his family near Philadelphia.