Japan’s prime minister Takaichi Sanae has called an election three months into her term. Can she capitalise on her popularity, or will her less-popular party be punished at the ballot box? Will a new treaty curb the destruction of the oceans? And how fancy restaurants are responding to the age of Ozempic.

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Donald Trump has promised to impose a 10% tariff on eight countries, all NATO members, that oppose his plan to acquire Greenland. As the argument over the territory’s future continues, our correspondent analyses the fragile state of international relations. American megachurches are becoming more like businesses. And the rise of vodcasts: why audio is becoming video.

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Reza Pahlavi, son of the shah deposed in the 1979 revolution, tells us he sees himself as the people’s choice to lead. We ask how that might work. Our correspondent reckons that, in a full accounting of buying versus renting a home, the smart choice has become clear. And our obituaries editor on Aldrich Ames, a prolific CIA double agent for Russia.

To see much more of our interview with Reza Pahlavi, and deep analysis with our editors and correspondents on how he might fit into Iran’s future, watch the latest episode in our Insider series for subscribers.

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