Christmas, 1987. Screenwriter Ronald Shusett hangs up the phone. His wife begins crying. His dream project has been in development for six long years, but he’s just been told it is buried. But a knight in shining armour is about to rescue him, in the perfectly sculpted shape of Arnold Schwarzenegger. Shusett’s history with this future sci-fi classic goes back much further than 1981, when the script first went into development. He first had the i…