Part two of Tyler Brûlé’s interview with Canadian prime minister Mark Carney. Plus: we delve into the appointment of the late Ayatollah Khamenei’s son and consider what it will mean for Iran’s ongoing war with Israel and the US.

Live from Zürich, which has just topped an index of the world’s smartest cities
27:32

The Mecca defence pact and Meloni’s record-breaking run
31:14

La rentrée politique: France’s presidential hopefuls kick start their campaigns
31:22