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Sam Bankman-Fried, the American crypto entrepreneur who went from billionaire to bankrupt, is on trial in New York for fraud. The 31-year-old who founded the cryptocurrency exchange FTX is accused of lying to investors and lenders. He has denied those charges, and instead says he was acting in good faith but made mistakes. He says he never set out to defraud anyone. In the coming days, 12 jurors will decide his fate - he could face a life sentence in prison if convicted. Vivienne Nunis speaks to financial journalist Michael Lewis, who spent hundreds of hours with Sam Bankman-Fried for his new book Going Infinite.Presenter: Vivienne Nunis(Image: Sam Bankman-Fried leaving a court hearing in June 2022. Credit: Getty Images)

Trick or treat and other traditions are now at the centre of a global multi-billion business. The ancient Celtic and Pagan festival, which started thousands of years ago in Ireland, was taken by emigrants to North America, where it was turned into a major annual event. The National Retail Federation in the US tells Russell Padmore how spending by consumers is forecast to be a record of more than $12bn. Jadrain Wooten, an economist at Virginia Tech, says the sales promotions for Halloween are getting earlier every year and lasting at least month. We hear about the economic benefits of Europe’s biggest Halloween Festival in Derry City in Northern Ireland and visit a pumpkin farm in the region. An Irish cultural historian, Manchán Magan, tells us about the roots of the festival, which used to be called Samhain and we find out how retailers in Australia are cashing in by selling costumes, pumpkins and other items as consumers enjoy the traditions of Halloween.Presenter: Russell Padmore(Image: Children trick or treating in the North East of England. Credit: Getty Images)

Countries around the world are racing to achieve targets on the ban of new petrol and diesel cars - but they are hitting stumbling blocks, meaning some are pulling back on their commitments. Although global sales of electric cars are rising, some countries are struggling to persuade drivers to make the switch. Reasons given include insufficient or unsuitable charging points, and the price tag: criticism is often put to governments that the shift to electric cars is hardest for the least well off.In this edition of Business Daily, Rick Kelsey looks at one country which is well ahead of the rest: Norway. The country's aim is that all new car sales in 2025 will be of electric vehicles - a plan being supported by financial incentives and policy changes.He also speaks to business leaders in the car industry, including a man known as "the Godfather of EV", to find out what's needed if countries are to phase out internal combustion engines.(Picture: An electric car being charged. Credit: PA/John Walton)Presented and produced by Rick Kelsey