A few years ago, we at JCK decided to transform the December issue into our annual "Person of the Year" issue, the criteria for selection being "the individual who has had the most significant impact on the industry during the year." Some may be puzzled—or infuriated—by this year's choice of Gareth Penny, the key player behind the Supplier of Choice program at De Beers (or, rather, the Diamond Trading Company, as it now prefers to be called). But the significance of an individual's impact on the industry is measured by the amount of change his or her actions drive, not by whether the industry likes the results. We try to identify such change objectively rather than make a value judgment about it. Roger Caras, the author, animal lover, and former national director of the ASPCA, once said, "Cats don't like change without their consent." People don't like change without their consen