MILAN (AP) — Officials at the Pompeii archaeological site have announced a dramatic new discovery, the skeleton of a man crushed by an enormous stone while trying to flee the explosion of Mt. Vesuvius in 79 A.D. Pompeii officials on Tuesday released a photograph showing the skeleton protruding from beneath a large block of stone that may have been a door jamb that had been “violently thrown by the volcanic cloud.” The victim, who was over 30, had his thorax crushed…