One of the most powerful -- if not the most powerful -- documentary films at Sundance 2007 is The Devil Came on Horseback. We had the chance to speak with the film's subject, Brian Steidle, and co-director Annie Sundberg. If, after viewing this interview, you're interested in the Web sites Mr. Steidle mentions, please go to any of the following: www.savedafur.org ; www.sudandivestment.org or www.globalgrassroots.org.