'Avatar,' LA Premiere: Sigourney Weaver - James Cameron Is 'A Genius'

'Avatar,' LA Premiere: Sigourney Weaver - James Cameron Is 'A Genius'

Sigourney Weaver talks about re-teaming with director James Cameron for “Avatar” and what an amazing experience it was for her. Plus, what did she think about her “Avatar” self? And, what does she think about the use of the 3D in the movie?