What field does Arnold Schwarzenegger have more talent in, acting or politics?

Hard to say. Maybe.

Arnold Schwarzenegger was a great businessman, he took his winnings from both body building and movies and made more from it in real estate and other businesses. He takes that into politics and government. He has a great personal staff who research things, and he is a very smart man who listens and implimnents what is best for himself in business and the people in government. Actors are good politicians because they bring a good image, but it is whether they do a good job when they go beyond politics and get to work.