AfghanistanBy: Fredrik Hiebert Almost 30 years ago, a precious trove of art was spirited away from the National Museum of Afghanistan by a small group of "keyholders" museum guards, curators, and antiquities lovers who risked their lives to save the countrys cultural treasures. Their actions spared these magnificent pieces from the threat of destruction, first by the invading Soviets in 1979 and more recently by the Taliban. Exquisitely crafted in gold and