Doris Appiah: Bipolar and kept in chains

Lucy Ash speaks to Doris Appiah, the Ghanaian woman who suffered abuse for years at a prayer camp which claimed it could cure her mental illness. Also, from the UK, we hear from Sandra O'Connor who has 'faceblindness'- and very few friends as a result, and Sipho "Hotstix" Mabuse, the legendary South African drummer, who went back to school 40 years after he dropped out