Since the mid-1980s, whimsical, brightly colored wood carvings from the Mexican state of Oaxaca have found their way into gift shops and private homes across the United States and Europe, as Western consumers seek to connect with the authenticity and tradition represented by indigenous folk arts. Ironically, however, the Oaxacan wood carvings are not a traditional folk art. Invented in the mid-twentieth century by non-Indian Mexican artisans for...