Peter Mayhew's a cunning ol fellow, and he's been dishing out pages from an earlier script of Star Wars as it was presented in earlier drafts, throughout the year. Mayhew, who portrayed Chewbacca has been tweeting some behind-the-scenes insights, or rather, shocking revelations like this:
So, basically, minds worldwide have been blown 'cause it looks like Vader didn't originally kill Obi-Wan! And now the fight as it went down in the movie, for your viewing pleasure below: