Things move very quickly at the Fringe, and the action is thick and fast with shows coming and going all over the place. Of course, you do have some shows that return to the festival on a yearly basis, but I think that it may be a rather difficult job to find one that has a history as vast of News Revue.   Now in its 45th year, News Revue is a current affairs parody show that sees a cast of four, accompanied by a talented musician, play a multitude of well-known figures from