Sam Bankman-Fried is arrested and charged days after telling our reporter Joe Tidy he was confident he would avoid prosecution. We discuss the question Joe asked Sam - has he killed crypto? Also this week: the dismayed reaction of the global charities that sat on Twitter's now disbanded Trust and Safety Council. As China goes to the World Trade Organisation over the USA's restrictions on its semi-conductor industry, we ask is there any end in sight to the so-called chip wars. And the actor Andonis Anthony on what's it like bringing a video game character to life.