William Kentridge is South Africa's most renowned living artist, famous for his charcoal drawings and animated films that address the social and political realities of South Africa, both during and after apartheid. Eleanor Wachtel, arts journalist and host of Writers & Company, talks to William Kentridge about growing up as the child of anti-apartheid lawyers, his struggle to find his way as an artist, and how South Africa has changed since the end of apartheid.