Here’s a recording of the chat I had earlier today with Rachel Boynton, director of the just-opened documentary Our Brand of Crisis (Koch Lorber), a fascinating political doc that just opened at Manhattan’s Film Forum and will be playing in 15 other U.S. cities within the next five or six weeks. Read Laura Kern’s N.Y. Times review for background. I began by asking Boynton whey it took her nearly four years to complete her film, since most of it was shot in late 2002. And she replied….