Trump’s Tariffs on Steel and Aluminum Go Into Effect, Inciting Global Retaliation

President Trump imposed a 25 percent tariff on metal imports, sparking new global trade spats as he attempts to shield the U.S. economy from foreign competition.

Power, Money, Territory: How Trump Shook the World in 50 Days

The system America took 80 years to assemble proved surprisingly fragile in the face of Trump’s assault, a revolution in how the country exercises power across the globe.

Tuberculosis Resurgent as Trump Funding Cut Disrupts Treatment Globally

The United States was the major funder of tuberculosis programs. Now hundreds of thousands of sick patients can’t find tests or drugs, and risk spreading the disease.

At Columbia, Tension Over Gaza Protests Hits Breaking Point Under Trump

There were protests, arrests, the departure of the school’s president. Then, a new administration arrived in Washington.

Trump Pulls Back Plans to Double Canadian Metal Tariffs After Ontario Relents

The president had threatened to hit Canadian metals with 50 percent tariffs but opted not to go ahead after Ontario lifted a charge on U.S. electricity.

Education Department Fires 1,300 Workers, Gutting Its Staff

The layoffs mean that the department will now have a work force of about half the size it did when President Trump took office.

Ukraine Supports 30-Day Cease-Fire as U.S. Says It Will Resume Military Aid

The deal announced on Tuesday delivered new momentum to efforts to halt the fighting, with the ball for any truce now in Russia’s court, said Secretary of State Marco Rubio.

Justice Dept. Official Says She Was Fired After Opposing Restoring Mel Gibson’s Gun Rights

Elizabeth G. Oyer, the former pardon attorney, said that she was not told why she was dismissed, but that as events unfolded she feared they might lead to her firing.

How Foreign Aid Cuts Are Setting the Stage for Disease Outbreaks

Organizations funded by the United States helped keep dangerous pathogens in check around the world. Now many safeguards are gone, and Americans may pay the price.

Chaos Sweeps Coastal Syria: ‘We Have to Get Out of Here’

Residents described shootings outside their homes and bodies in the streets in Syria’s worst unrest since Bashar al-Assad’s ouster. More than 1,000 people have been killed since Thursday, a war monitor said.

‘You Can’t Pin Him Down’: Trump’s Contradictions Are His Ultimate Cover

President Trump’s shifting positions and outright lies have presented the American public with dueling narratives at every turn.

He Was Once a Covert Taliban Operative. Now He’s the Friendly Taxman.

Abdul Qahar Ghorbandi, head of Afghanistan’s Taxpayers Services Directorate, has the hard job of raising money in an impoverished country hobbled by international sanctions.

Inside the Explosive Meeting Where Trump Officials Clashed With Elon Musk

Simmering anger at the billionaire’s unchecked power spilled out in a remarkable Cabinet Room meeting. The president quickly moved to rein in Mr. Musk.

White House Cancels $400 Million in Grants and Contracts to Columbia

The Trump administration blamed the university’s failure to protect Jewish students from harassment during protests last year over the war in Gaza.

More Than 140 Killed in Clashes Between Syrian Forces and Assad Loyalists

Two days of fighting along the Mediterranean coast were among the bloodiest battles since rebels ousted the dictator Bashar al-Assad.

D.C.’s Planned Removal of Black Lives Matter Mural Reflects Mayor’s Delicate Position