J.D. Vance, who rallied with Viktor Orban last week and took on the pope this week, is often in an awkward spot. The vice-president, as our Lexington columnist argues, has cast himself as chief ideologist of a movement that has no ideology. Mr Vance’s theories of governance keep taking a beating from Donald Trump’s practice.

Dario, Demis, Elon, Mark and Sam are the five men who lead the world’s leading AI firms. Until now America’s government has let them get on with it, but a fight is brewing over who should control the technology. In today’s Insider our editors consider the dangers of unchecked AI power against the risks of clumsy regulation. Watch it here.

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