Yellowface redux: Why is it OK for Hollywood to cast white people as Asians?

Yellowface is back in Hollywood, and it's as big, ugly, blatant and offensive as ever. Racebending wrote about this a couple of weeks ago in "The Cloud Atlas Conversation: Yellowface, Prejudice, and Artistic License," but as more and more people see the trailer for the new sci-fi flick "Cloud Atlas" (the film just premiered at the Toronto Film Festival) the outrage...