Microchip shortage threatens supply chains

Car and electronic device makers sound alarm bells amid a global microchip shortage. Russ Mould of stockbrokers AJ Bell is a former semiconductor analyst, and explains the background and implications. Also in the programme, the BBC's Richard Collings examines the USA's relationship with Mexico as Donald Trump's presidency comes to an end. We hear from ski journalist Robert Stewart why whilst it is largely shut to skiers, the resort of Courchevel in France is marketing itself as an alternative location for people to work from home. Plus our regular workplace commentator, Pilita Clark, considers how best to go about being efficient with tasks, without risking being given more work.