This summer on Planet Money Summer School, we're learning about political economy.

We're getting into the nitty-gritty of what government does with things like trade, taxes, immigration, and health care.

So politics and economics, which are taught separately, they shouldn't be separated at all.

I think you have to understand one to really appreciate the other.

So what is the right amount of government in our lives?

Tune into Planet Money Summer School from NPR.

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Live from NPR News in Washington, I'm Windsor Johnston.

President Trump signed off on three new tariff measures today.

NPR's Danielle Kurtzleben reports.

They target copper, imports from Brazil, and lower value

goods from around the world. Trump has now signed 50% tariffs on copper into effect, adding to

the list of goods he's already tariffed, including steel, aluminum, and automobiles. He also

signed a 50% tariff on Brazilian goods, citing the, quote,

politically motivated persecution, a far-right former president Jair Bolsonaro. Bolsonaro was accused of

plotting to overturn his reelection loss in 2022. Trump had already announced that those tariffs were

coming. The signings make them official. In addition, he eliminated a

tariff exemption on imported packages valued at less than $800. Trump had already ended this

exemption for Chinese goods. The move could raise e-commerce prices in particular. Danielle Kurtzleben,

NPR News. The Federal Reserve is keeping interest rates steady for now.

NPR, Scott Horsley, reports the decision comes despite increasing pressure from President Trump to lower borrowing costs.

The central bank left its benchmark interest rate unchanged this afternoon.

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