HARDtalk speaks to Ahmed Kathrada, one of the big names of South Africa's anti-apartheid struggle. He was sentenced to life in prison alongside Nelson Mandela on Robben Island, spending 26 years of his life locked up. On their release, Nelson Mandela persuaded him to join him in government - an experience he didn't like. But he has never stopped campaigning for the ideals of freedom on which the anti-apartheid movement was based. So has South Africa lived up to those ideals?