President Trump is back in Washington, pursuing major policy changes on his own terms.

We know from the past that means challenging precedent, busting norms, and pushing against the status quo.

NPR is covering it all with Trump's terms, a podcast where we curate stories about the 47th president with the focus on how he is upending the way Washington works.

Listen to Trump's terms from NPR.

Live from NPR News in Washington, I'm Janine Hurst.

Business groups are pushing back against President Trump's plan to impose stiff new tariffs

on imports from Mexico, Canada, and China.

MPR Scott Horsley reports those import taxes are set to take effect Tuesday.

President Trump says he's ordering the tariffs in an effort to curb the flow of illegal drugs and immigration.

But the U.S. Chamber of Commerce says while Trump is right to focus on those problems, tariffs are not the answer.

The Chamber says taxing imports will only upend supply

chains and raise prices for American families. Trump has ordered a 25% tax on most goods

coming from Mexico and Canada, but he called for a smaller 10% tax on Canadian crude oil

in an apparent effort to limit any spike in gasoline prices. The tariff on Chinese imports is also set at 10%.

All the taxes are set to take effect on Tuesday, leaving a short window for a possible reprieve.

Canada and Mexico have promised to respond to tariffs with taxes of their own on U.S. exports.

Scott Horsley, NPR News, Washington.

The National Science Foundation says it's going to start paying researchers again after a freeze of about a week.

MPIRS Jonathan Lambert has more.

On Sunday at noon Eastern, the NSF said that the agency will resume distributing funds to scientists who had received grants.

They have been unable to access their funds since Tuesday when the agency froze payments

as they reviewed how their grants complied with new executive orders, especially those targeting

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