Michael Winterbottom’s new film features real actors having real sex on screen. And that’s evidently a problem. “The sex is real and quite explicit, and the minor furor surrounding the film — censorious editorials in the UK and Australia, the British-based Christian Coalition for Traditional Values condemning the film as ‘a rank piece of soulless pornography’ — comes from the unaccustomed conjunction of fake characters, real congress, and a ”real’ movie.”