The African National Congress has dominated South African politics for the last 29 years, but the party of Nelson Mandela is in trouble. A power crisis is doing new damage to an economy already hit by shocking levels of poverty, inequality and corruption. If the ANC is faltering, who stands best placed to offer an alternative? Stephen Sackur speaks to the leader of the radical populist Economic Freedom Fighters, Julius Malema. What will happen to South Africa if he gets even a share of power?

Stephen Sackur speaks to American writer, academic and cultural commentator Roxane Gay. Her unflinching, extraordinary memoir Hunger deals with her experience of rape and obesity. How scary is the level of self-exposure in much of her writing?

(Photo: Roxane Gay in the Hardtalk studio)

Coming up after the news from the BBC World Service, it’s HARDtalk with me Stephen Sackur. The influential British author Martin Amis has died at his home in Florida aged 73. Stephen Sackur interviewed him in 2013 after the release of his novel Lionel Asbo: State of England. He was pigeon-holed early in his career as the ‘enfant terrible’ of the British literary world and throughout his career he remained one of the most closely scrutinised novelists of his generation. His books were filled with greed, lust, addiction and ignorance, and yet he suggested he wrote in a celebratory spirit. So, what exactly was he celebrating?

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?

Stephen Sackur talks to Seychelles President Wavel Ramkalawan. His tiny nation is a tourist magnet, but there are huge challenges: climate change, a shocking rate of heroin addiction and a political culture tainted by corruption allegations. Is this a case of paradise lost?

Stephen Sackur speaks to Austria’s former foreign minister, Karin Kneissl. Her ties to Moscow are close - Vladimir Putin attended her wedding, she sat on the board of a Russian energy company, and condemns Europe's arming of Ukraine on Russian TV. What does her story say about Vienna’s close ties to Moscow and the impact of Austria’s neutrality?