Jeff Guo

Dunzo.

And those percentages, they've gone up and down and up and down for more than a year.

But from early on, there were lawsuits against President Trump.

States and companies and individuals saying that these tariffs, they are not legal.

And now a lot of businesses and people like Cara, they're thinking maybe they could get some of the money they spent on those tariffs back.

So far, the U.S.

has collected more than $100 billion under these now illegal tariffs.

Hello and welcome to Planet Money.

I'm Jeff Guo.

Today on the show, why are the tariffs illegal?

And what does this mean for businesses, for Cara, for the rest of us?

Are any of us going to get refunds?

For that, we called up Georgetown Law Professor Kathleen Claussen, who is an expert on the law of tariffs.

We had her on the show back when Trump's big new tariffs were first getting challenged in the courts.

Actually, the justices had a lot of thoughts about AIPA.

There are multiple opinions.

The whole thing is 170 pages.

Yeah, so this decision, it kind of landed on your desk with a thump.

Yeah, you see, in AIPA, it doesn't literally say the president can impose tariffs.

It says something much more vague.