Update: US inflation hits 7.5% - a podcast by BBC World Service

With inflation rising faster than expected, we hear from the BBC's North America Business correspondent Michelle Fleury and economist Cary Leahey. Plus, blockades across some of the busiest border crossings between Canada and the United States are disrupting supply chains of America's biggest car companies. We hear from Peter Campbell, Global Motor Industry Correspondent at the Financial Times. And Tesla is being sued for alleged racial discrimination and harassment by a California regulator which claims the electric carmaker operates "a racially segregated workplace". Dana Hull, automotive and technology reporter for Bloomberg tells us about the allegations.

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