Puerto Rico archeological find mired in politics Posted on Tue, Jul. 01 By FRANCES ROBLES U.S. archaeologist Nathan Mountjoy sits next to stones etched with ancient petroglyphs and graves that reveal unusual burial methods in Ponce, Puerto Rico. The archaeological find, one of the best-preserved pre-Columbian sites found in the Caribbean, form a large plaza measuring some 130 feet by 160 feet that could have been used for ball games or ceremonial rites, officials said. SAN JUAN -- The lady carved on the ancient rock is squatting, with frog-like legs sticking out to each side. Her decapitated head is dangling...