The Economist.

Hello and welcome to the intelligence from The Economist. I'm your host, Rosie Bloor. Every weekday, we provide a fresh perspective on the event shaping your world.

The future of TikTok in America has long been in flux, with threats to shut it down or demand

to completely separate itself from its Chinese owners. Today is the deadline for a resolution

on its future. Our correspondent reports.

And it's a tough world out there, and our music seems to reflect that.

Analysis of chart-topping pop lyrics over time shows that the mood is only darkening.

Heartbreak has always been a theme.

Now, Angst joins it.

The era of the seriously sad song is upon us.

First up though.

Even by Donald Trump's usual standards, the past few days have been a whirlwind.

At the weekend, Trump seemed to take the NATO alliance to the brink, threatening tariffs on any allies opposing his plan to acquire Greenland.

Yesterday, at the World Economic Forum in Davos, in a long and rambling speech, he lambasted European leaders.

I love Europe and I want to see Europe go good, but it's not heading in the right direction.

Appeared to confuse Greenland and Iceland.

Iceland, that I can tell you. I mean, our stock market took the first dip yesterday because of Iceland.

And again insisted that America must own Greenland to make the world a safer place.

But then came two surprises.

America would not, he said, take Greenland by force.

We probably won't get anything unless I decide to use excessive strength and force

where we would be, frankly, unstoppable.

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