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Hello, during the summer, we're using Sunday's newscast as an opportunity to have a long, in-depth chat with an interesting person every week.

And this week's chat is with Dr. Natalie Roberts, who's executive director of Medicine Sans Frontier, Doctors Without Borders, the French Medical

Charity, which provides help in trouble spots around the world, whether it's places that

have been affected by war or natural disasters. Dr. Roberts started out in the NHS before she

then went into the NGO world, and she now, from her perch, as the executive director,

has a bird's eye view of all the stuff

that her charity does around the world.

And also some of the problems that emerge as a result of that.

So here's the conversation I had with her a couple of days ago.

Newscast from the BBC.

Dr. Roberts, hello.

Hi.

Where was the last place you were abroad?

The last place I was, I went to North Nigeria at the end of last year.

And what was happening there?

So North Nigeria has been now for over a decade in a massive malnutrition crisis. We used to hear a lot about the northeast of Nigeria, the Borno State, where there was the

Chebok girls and Boko Haram and everything else.

The mass kidnapping, yeah.

The mass kidnapping.

And so back in 2016, I actually worked there an awful lot.

But actually across the whole of northern Nigeria,

...