With conflicts continuing in Ukraine, Africa and the Middle East, the global economy being held to ransom and the old world order seemingly up-ended, is there any role left for the United Nations?

Founded in the shadow of two world wars, the UN used to be considered the guardian of international law and order. But is it now little more than a toothless talking shop?

Niall is joined by Sky News' diplomatic editor Dominic Waghorn to help answer a query from a listener on whether the United Nations still has any meaningful function in the modern world.

Have you got a question for Niall? Email the show: why@sky.uk

As The Devil Wears Prada 2 opens in cinemas, the former editor-in-chief of Vogue Anna Wintour is back in the news – but who is she?

The sequel to the 2006 film is widely perceived to be based on Ms Wintour's formidable and abrasive management style.

However, the world of fashion and the magazines that follow it has changed a lot since then.

So, has she maintained her grip and influence on the multibillion-dollar industry?

Niall is joined by Paula Froelich, senior story producer and on-air contributor for NewsNation, to discuss her life and career.

The war in Iran has led to fears of food shortages and fuelled forecourt price hikes – but is your summer holiday also in jeopardy?

The price of jet fuel has soared higher than any other oil product, including petrol, since the Middle East conflict led to the effective closure of the Strait of Hormuz.

It means major airlines – including Qatar, Etihad and Lufthansa – have started cancelling flights. So how worried should you be about your summer holiday abroad?

Niall Paterson is joined by Sky’s business correspondent Paul Kelso.

Have you got a question for Niall? Email the show – why@sky.uk