title: Globally listen for Backbone.js Model.save
body: <p>I'd like to append Backbone's native <code>Model.save()</code> method with a custom logging method that logs success and errors.  I know that on a per model basis I can call something like:</p>
  
  <pre><code>myModel.save().success(function() {
      // do something cool
  });
  </code></pre>
  
  <p>But rather than adjusting every call to various models' save events, I'd like to simply listen for the save event on <em>any</em> model.  One way that I think I want to avoid is actually modifying the <code>Backbone.Model.prototype.save</code> method (although if someone has an elegant way to do this I'm open to it).  </p>
  
  <p>Any thoughts on how to create such an event listener?  </p>