Arnold Schwarzenegger's 10 Greatest Acting Challenges!Charlie Jane Anders12/08/08 3:30pmFiled to: Arnold SchwarzeneggerHero-bashingterminatorGovernatorpredatorThe Sixth DayThe Running ManBatman and RobinTop771EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkWhen science fiction legend Arnold Schwarzenegger leaves office as California governor in 2011, he doesn't plan to return to acting. Instead, he wants to help lead the way on climate change. That's a darn shame, because we need Arnie's Heston-on-steroids style of acting more than we need his thoughts on global warming. And to prove it, here are 10 movie moments where Arnie brought his acting A-game in the face of almost insurmountable challenges.You see, Schwarzenegger isn't just an action hero, he's our guide to the worlds of the fantastic and bizarre. His acting skills are as prodigious as his pecs, but they've gone unappreciated — until now. I recently sat down and watched pretty much every Schwarzenegger science fiction epic, and I came away with a new appreciation for his acting skillz. Here are the moments where he rises above his situation, no matter how dire, and manages to shine.