How has he done it, against what 8 months ago was the near-certainty that Clinton would win? He has done it by reframing the issues.
See for instance
This -- reframing, generating words that win in a sustainable way, not mere spin with its temporary 'hit' and its cynical backwash -- is what the Green Party too needs to do. In a big way.
I am working on a book (a 'handbook') of reframing techniques. To find out more, visit the 'Reframing links', about halfway down the leftside of this blog.
And watch this space.