What happened in California in the 1970s played an outsized role in creating the world we live in today – both in the United States and in large parts of the globe – for better or worse. Read by Helen Lloyd.

Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit.

Image: 1970s commercial airline advert. Credit: ClassicStock / Alamy Stock Photo 

At a time of moral and political crisis, the medieval poet pioneered a daring and emotive vernacular style which inspired generations of Italian literature. Read by Sebastian Brown.

Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit.

Image: A sketch of Guittone d'Arezzo from the nineteenth century. Credit: Wikimedia Commons.

While we may think we have moved beyond the censorship of the past, writers' artistic freedoms are still constrained. Read by Helen Lloyd.

Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit.

Image: Lady Chatterley's Lover by D.H. Lawrence was the subject of a watershed obscenity trial. Credit: PA Images / Alamy Stock Photo.

EI's Angus Reilly discusses the history and legacy of the Vietnam War with Fredrik Logevall, author of Embers of War: The Fall of an Empire and the Making of America’s Vietnam.

Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit. EI Talks... is produced by Alastair Benn. The sound engineer is Gareth Jones.

Image: Photograph of American troops running towards a chopper during the Vietnam War. Credit: World History Archive / Alamy Stock Photo 

The arc of history only bends towards justice when people of goodwill grab hold of it and wrench it in the direction of justice. Read by Helen Lloyd.

Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit.

Image: The Freedom is Our Religion banner in Maidan Square, Kyiv. Credit: Ali Kerem Yucel / Alamy Stock Photo

His intense faith led Thomas Gage to switch his religious allegiance during the tumultuous 17th century - he went on to have an enormous impact on Britain's colonial future. Read by Sebastian Brown.

Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit.

Image: Title Page from Thomas Gage's The English-American his travail by sea and land: or, A new survey of the West-India's (London 1648)

Myths frame and tailor the past in a way that can ground and stabilise a community, however large or small. By situating them within the fabric of history, myths provide a sense of tradition and belonging to rally around. Read by Helen Lloyd.

Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit.

Image: A statue of Romulus and Remus on the Capitoline Hill in Rome. Credit: Russell Kord / Alamy Stock Photo 

EI's Alastair Benn discusses how technology is transforming the world of sport with Daisy Christodoulou, education expert and author of I Can't Stop Thinking About VAR, an eloquent examination of the use of the video assistant referee (VAR) system in football.

Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit. EI Talks... is hosted by Paul Lay and Alastair Benn. The sound engineer is Gareth Jones.

Image: Crystal Palace Fans hold up a banner to protest against VAR. Credit: Sipa US / Alamy Stock Photo 

With deterrence and compellence becoming more crucial than they have been in over three decades, understanding what makes foreign leaders tick is of the utmost importance. Read by Helen Lloyd.

Image: Silhouettes of Xi Jinping and Vladimir Putin. Credit: KLYONA / Alamy Stock Photo 

Andrew Roberts profiles Brendan Bracken, Winston Churchill's faithful and most trusted political adviser. Read by Sebastian Brown.

Engelsberg Ideas is funded by the Axel and Margaret Ax:son Johnson Foundation for Public Benefit.

Image: Winston Churchill leaving Downing Street with Brendan Bracken. Credit:: Fremantle / Alamy Stock Photo