The new Trump foreign policy team has brought a dizzying message to European allies on A.I., Ukraine and more. It has already left many angered and chagrined.

Quinta Jurecic discusses the constitutional crisis that the Trump administration could trigger.

Speaking in Paris at an artificial intelligence summit, the vice president gave an America First vision of the technology — with the U.S. dominating the chips, the software and the rules.

At times, Kevin Roose writes, it feels like he is watching policymakers on horseback trying to install seatbelts on a passing Lamborghini.

If, according to the president, so many people in the United States are the wrong kind, who makes up the right kind?

The vice president and transportation secretary claimed that diversity hiring efforts had affected staffing levels among air traffic controllers, but there is no evidence that such efforts played a role in the crash.

In a briefing that recalled his most extreme first term remarks, President Trump said without any evidence that diversity initiatives caused the midair collision.

In his first television interview as vice president, JD Vance defended President Trump on a variety of policies, including some he had previously second-guessed.

After being sworn-in by Vice President JD Vance, the Pentagon’s new leader addressed the Defense Department’s three million employees.

The move came ahead of the March for Life, the annual anti-abortion rally in Washington where Vice President JD Vance is expected to address attendees.

Anyone wondering whether the president was going to pick up from 2017 or 2021 can stop wondering.

The direct appeal to President Trump on the first full day of his term was a remarkable moment at a National Cathedral event that traditionally has not been political.

Even Republicans who once said violent rioters should be prosecuted to the fullest extent of the law declined to criticize the presidential clemency for violent offenders, saying it was time to move on.

The case of Guatemala reveals how President Trump’s promised sweeps could change life outside the United States, too.

At age 40, a relative newcomer who made his name on the campaign trail for his fierce attacks on Democrats is first in the line of succession for president.

The president moved quickly to cancel the CBP One app, which allowed migrants to schedule appointments to gain entry into the United States, turning away potentially tens of thousands of migrants.

Fourteen Opinion writers assess the substance and style of Trump’s speech.

The party symbolized the euphoria of the tech industry on the cusp of the Trump presidency. The guest list included Mark Zuckerberg, Sam Altman, Miriam Adelson and the vice president-elect, JD Vance.

What kind of disruptions does America need? And what will Trump not actually follow through on?

The president delivered the 17-minute speech from the Oval Office in the White House.