There is a lot of fear these days that AI could be a bubble.
So, Nick, is it?
I don't know.
Right, it is hard to tell.
But there are some clues that economists say might kind of sort of help us predict bubbles.
On the Planet Money podcast, the dark art of bubble detection.
Listen on the NPR app or wherever you get your podcasts.
Live from NPR News in Washington, I'm Corva Coleman.
President Trump and officials from several nations have signed the Charter of Trump's Board of Peace today.
Trump unveiled the document at the World Economic Forum in Davos, Switzerland.
But Britain's foreign secretary, Yvette Cooper, says her country is not signing on.
Willem Marx reports.
Cooper told BBC News that Britain would not be, quote, one of the signatories.
This is about a legal treaty that raises much broader issues, Cooper said,
before expressing concerns that Trump had invited Russian President Vladimir Putin to be,
quote, part of something which is talking about peace.
The board was initially designated as a mechanism to oversee the second phase of the US-brokered Gaza ceasefire,
as well as reconstruction efforts inside the Palestinian territory.
But recent details indicate it would be more of a standing global body, chaired by Trump.
With France as a manual Macron, warning it could replace the United Nations,