Companies Boycott Saudi Investor Conference

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Companies and media organisations are boycotting an investor conference in Saudi Arabia. Amid rising concern about the disappearance in Turkey of Saudi journalist Jamal Khashoggi. Also in the programme, should lithium be traded on the London Metals Exchange? And - you buy a purse at Walmart. There's a note inside - apparently from a prisoner in China - saying I made your nice new bag - and I'm incarcerated in terrible conditions and the guards are stealing my food. What do you do? What does Walmart do? For journalist Rossalyn Warren the note led to a detective operation that took her halfway around the world in search of answers. (Picture: Jamal Khashoggi. Picture credit: EPA.)