title: What is the url to a Facebook open graph post?
body: <p>Given a post id returned by a graph search, for example: 186173001411937</p>
  
  <p>is there a url to link to the post in facebook?
  The following url does not work:
  <a href="http://www.facebook.com/post.php?id=186173001411937" rel="noreferrer">http://www.facebook.com/post.php?id=186173001411937</a></p>