title: How to access data when form.is_valid() is false
body: <p>When I have a valid Django form, I can access the data with form.cleaned_data.  But how do I get at the data a user entered when the form is not valid i.e., form.is_valid is false.</p>
  
  <p>I'm trying to access forms within a form set, so form.data seems to just give me a mess.</p>