World at One

Mon-Thurs: Analysis of news and current affairs, presented by Sarah Montague. Fri: Analysis of news and current affairs, presented by Mark Mardell.

In an exclusive interview for Radio 4's World at One, Sir Paul McCartney tells Sarah Montague how his 'Meat Free Monday' campaign came about, shares his thoughts on young climate change activists, and his unreleased record of Christmas carols, made just for his family. He also talks about appearing at Glastonbury in 2020. (Photo: Sir Paul McCartney, with presenter Sarah Montague Credit: Sir Paul McCartney)

Mon-Thurs: Analysis of news and current affairs, presented by Sarah Montague. Fri: Analysis of news and current affairs, presented by Mark Mardell.

The Labour leader Jeremy Corbyn talks to Martha Kearney about the crisis in Yemen and his party's approach to Brexit. (Photo: Jeremy Corbyn. Credit: BBC)

In a series of pieces, Manveen Rana has been investigating the relationship between political power in South Africa, a London-based PR firm, and one of the country's richest families. As the President faces a vote of no confidence, what links Jacob Zuma, the Gupta Brothers and Bell Pottinger Public Relations? And, with anger at corruption spilling over from the streets to parliament, has Nelson Mandela's rainbow nation been put in jeopardy by a political campaign born in Britain? (Photo: Protesters in South Africa. Credit: Getty Images)