Prometheus Methods Tower Services Inc., the business that cost Nick Berg his life in Iraq, has no records with the Pennsylvania Department of State. The company that specialized in building communications towers never registered with the Pennsylvania Corporation Bureau, said Brian McDonald, spokesman for the state department. McDonald conducted a search of the bureau’s online list of registered businesses, but found no matches. The same search done by a Daily Local News reporter produced the same results -- several businesses contained the word "Prometheus" in their names. Only one is located in West Chester, and it is not related to...