Summary: Zoe Saldana caused no controversy when she played a blue-skinned alien in Avatar. But her skin colour is sure an issue in her latest project. Some people think she's not dark enough to portray the singer Nina Simone. We examine the issue of light-washing, and whether the outrage being expressed over the casting for the Nina Simone movie might be enough to change things. Nina Simone's daughter, Simone Kelly joins us.
