OCCASIONALLY, YOU can see big shifts in foreign policy happen right before your eyes. The unveiling of AUKUS, the trilateral defence pact between Australia, the United Kingdom and the United States, was one of those rare occasions. What does AUKUS tell us about America’s changing priorities?

The Economist’s Daniel Franklin explains how the pact is a response to Chinese aggression. We go back to when a European crowd went wild for an American political star. And Paris bureau chief Sophie Pedder tells us how AUKUS may benefit French president Emmanuel Macron.

John Prideaux hosts with Charlotte Howard and Jon Fasman. Runtime: 41 min

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