[Note: video possibly NSFW] The release of the red-band trailer for Beowulf finally provides a promising demonstration of the powerful motion-capture technology director Robert Zemeckis has been trying to perfect over the last handful of years. While earlier versions of his moviemaking technique were able to produce nothing more impressive than disturbingly dead-eyed, animated children in The Polar Express and somewhat less disturbingly dead-eyed, animated children in Monster House, the...