Hello and welcome to the Intelligence from the Economist.

In London, south of the River Thames, I'm Jason Palmer.

And north of the river, still in London, I'm John Fassman.

Every weekday we provide a fresh perspective on the events shaping your world.

In a lot of cities, workday travel is down, even if evening and weekend travel seems

mostly to have recovered to pre-pandemic levels.

We take a ride on a shiny new line in London reflecting on the complicated future of post-pandemic

public transport.

And thousands of drones have swarmed the skies over Ukraine in the past few months, mainly

to gather battlefield intelligence.

Armies love them, their cheap, effective and easy to come by.

Drone makers, however, are less happy.

First Boris Johnson's grip on power has looked weak for some time.

But after last night, he's clinging on to his job as Britain's Prime Minister by his fingernails.

Two top cabinet ministers resigned, followed by several more junior figures.

They left after Mr. Johnson apologized for promoting an MP accused of sexual misconduct.

Do you accept it was a grave error to appoint Chris Fincher to your government?

Yes, I think it was a mistake.

And I apologise for it.

I think in hindsight it was the wrong thing to do.

Downing Street had previously said Mr. Johnson hadn't been aware of the allegations.

Nadine Zahawi, the new chancellor of the ex-checker, defended Mr. Johnson this morning.

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