Chaos, hostility, and murder. The three items that Werner Herzog believes are the common denominators of the universe, according to the narration of his 2005 documentary, Grizzly Man. And the subject of his own obsession, expressed again and again in the choking jungles and obsessives heroes of his films. In Rescue Dawn, Herzog stabs at yet another heart of darkness, another soul driven to desperation in pursuit of a seemingly impossible goal. In this case,…