'Fake' interpreter at Nelson Mandela memorialThe sign language interpreter at a high-profile memorial event for Nelson Mandela has been accused of making signs up. The man, who signed for a portion of the ceremony including Barack Obama's speech, was simply making up his own signs, say the Deaf Federation of South Africa. David Buxton, the CEO of the British Deaf Association, said the man, who was supposed to be signing in South African,
