Three dock workers were killed in Norway Wednesday when 16 runaway train cars careened down a hill for three miles at a port on the outskirts of Oslo. http://www.google.com/hostednews/ap/article/ALeqM5igERKDDvVX7IX54V2NwB9vuNn9FQD9ELL07G0 The empty cargo cars cut detached from a train, finally crashing…