Mongolia is landlocked between its neighbors China and Russia in the heart of Asia. For centuries after the disintegration of Genghis Khan's empire it was ruled by one or the other, but in 1990 the Mongols embraced democracy. Now, after two centuries of Manchu stagnation and seventy years of Soviet communism, they are rebuilding their national heritage. Rarely in the news but making progress toward a market economy, this resource-rich but infrastructure-poor...