James Cameron’s “Avatar” has enjoyed huge commercial and critical success. It’s up for nine Academy Awards this Sunday, including best picture and best director. Even with all these nominations, there’s a glaring hole — none of its stars were nominated for acting Oscars. ABC’s John Berman chats with actor Andy Serkis

That snub from the Academy has renewed a long-running debate over what makes a performance award-worthy. If an actor works in a motion capture suit that records his movements, is it still his performance once an animation team has added all the digital effects? Directors, including Cameron and Steven Spielberg, liken the animation to digital makeup, but others in the industry aren’t so sure. More..