Starring: Christian Bale, Sam Worthington, Moon Bloodgood Directed by: McG The terminator, as represented first and best by Arnold Schwarzenegger, is an obvious signifier for brutish masculinity on film: black leather biker jacket, muscular build, modest dialogue. The irony being, of course, that he is a machine. In Terminator Salvation (2009) this iconic manifestation stays in place, but the clothes and actor change. Not for the first time this has occurred (Schwarzenegger isn’t the only actor to play a terminator after all), but in this film his replacement looks more or less the same. After the slim-framed T-1000 (Robert Patrick) and the female-framed T-X (Kristanna Loken), it is a back…