With John Wilson.

Sir Paul McCartney talks about his latest album (called New), he sets the record straight regarding his relationship with John Lennon, and admits that he finds it difficult to say "I love you".

The legend of a lost city of gold in South America captivated Europeans for centuries. A new exhibition at the British Museum unravels the myth of El Dorado - it was a man, not a city, and "The Golden One" was covered in powdered gold as part of a ritual. Rachel Campbell-Johnston reviews.

War photojournalist Tim Hetherington was killed covering the Libyan conflict in 2011. He'd been Oscar-nominated earlier that year along with his co-director and friend Sebastian Junger. Now Sebastian has made a moving documentary-portrait of his colleague. He talks to John about Tim's courage, his distinctive approach to photography and the effect Tim's death has had on his work.

Producer Timothy Prosser.