Stephen Sackur speaks to John Steenhuisen, the leader of South Africa’s biggest opposition party, the Democratic Alliance. He thinks South Africans are ready to throw out the ANC thanks to their failure to fix the economy, the energy sector and corruption, but is he a credible alternative?

The ANC has ruled in South Africa since the racist apartheid system was overthrown. But right now the country is in a big mess, with a protracted energy crisis, unemployment, inequality and systemic corruption. Stephen Sackur is in Johannesburg to speak to Fikile Mbalula, secretary general of the ANC. Many South Africans feel their country is failing. With elections looming, will the ANC pay the price?

Zeinab Badawi speaks to the British artist and filmmaker Sir Isaac Julien, whose forty year career is steeped in powerful cultural and political messages. What is more important to him: Art or activism?

Stephen Sackur speaks to the actor Jane Horrocks, whose extraordinary range has seen her star in musicals, comedies and gritty dramas. In a capricious, sometimes cruel industry, she embraced writing as well as performing. Was that her pathway to empowerment?

The Humboldt Forum is one of Germany’s great cultural institutions, housing a collection of thousands of works of non-European art. Germany, like many former imperial powers, is now asking itself whether treasures grabbed by European colonisers should be returned to their countries of origin. Stephen Sackur interviews the director of the Humboldt, Hartmut Dorgerloh. Is Germany taking the lead in the restoration movement?