Armed with powerful, sophisticated weaponry, the U.S. falls far short of the arms and personnel needed to fight long, grinding wars.

The state of the climate, Part II.

Readers discuss the Trump administration’s urging a baby boom while also cutting support for children.

Dads started spending more time with their kids and realized they liked it.

In his second term, Trump is remaking America. These are the 22 people charged with carrying out his vision.

New data collected from more than 200,000 people across the world shows that young people aren’t as happy as they used to be.

Autocratic intent does not translate automatically into autocratic success.

DOGE is rapidly assembling a sprawling monitoring system, the foundation of many authoritarian regimes.

“Nothing like this has ever happened in Washington.”

Material prosperity isn’t everything.

The nation’s current leaders are not living up to my father’s high standards of governance, and Singapore is suffering as a result.

A disappointed supporter reflects on the madness in the president’s method.

The anger in Canada is evident in many other ways; Canadians have always felt close to but distinct from Americans. A hostile America was something they never imagined.

Evaluating the president on the first 100 days of his second term. Also: State Department cuts; the end of The Conversation, with Gail Collins and Bret Stephens.

The anger in Canada is evident in many other ways; Canadians have always felt close to but distinct from Americans. A hostile America was something they never imagined.

Saikat Chakrabarti and Zephyr Teachout offer their perspectives on why America struggles to build.

The courts are caught in the middle of a crisis, but it’s not something they can adequately remedy.

The president, one psychologist says, is a perfect example of authoritarian personality syndrome.

The participants discuss President Trump’s second first 100 days in office.

Louisiana is a legal black hole for immigrants.

Saikat Chakrabarti and Zephyr Teachout offer their perspectives on why America struggles to build.

Tariffs, deportations, mass firings, shifting alliances — this is the first draft of his new America.

Much of the British political class laughed at Nigel Farage in 2016. It isn’t laughing now.

Jews should remember how Trump promised to “protect” L.G.B.T. citizens.

Six months ago, the victory of the ex-president wasn’t just a devastating defeat for the left; it also marked a tectonic shift. Now, though, the polling looks different.

Responses to a column by David Brooks about President Trump’s “energy.” Also: Cutting regulations; a project for Democrats; a general’s call to arms; how to age well.

All good things come to an end. What about bad things?

Trump gave Apple a break. What about the lone entrepreneur?

Underlying many investments are breakthroughs in medicine and technology from great universities.