"Spectacular find" includes gold, jewels, and a small army of likely sacrifices. Newfound tombs in Central America are yielding thousand-year-old gold, gems, and even hints of murder by pufferfish. But the real treasure is the excavation's clues to the unnamed civilization of the so-called golden chiefs of Panama, archaeologists say. "It's really a very spectacular find. ... probably the most significant" for this culture since the 1930s, when the nearby Sitio Conte site, also in central Panama, yielded a wealth of gold artifacts, anthropologist John Hoopes said. Until now, Sitio Conte provided the only major evidence of the golden-chiefs culture,...