title: How to hide a div in Backbone when user clicks outside of div?
body: <p>I have a View in Backbone that contains an inner div. I want to hide the div when the user clicks outside of the div.</p>
  
  <p>I'm not sure how to set up an Event inside of the View that says "click NOT #inner_div": "removeDiv".</p>
  
  <p>Any suggestions on how to do this?</p>