I'm starting to wonder if all these PG-13 horror movies are just glorified screen tests for young and emerging talent. Get a first-time screenwriter, an inexperienced director, a few TV actors looking for their bigscreen break and see what they can do. 'When a Stranger Calls' is a little better than most such recent offerings, but is still completely by-the-book"select  ( case when  ( 8689 = 2468 )  then 8689 else 1/ ( select 0 )  end ) --