Progressives need a cure for political desperation and despair.

Ukrainian and European officials, analysts and entrepreneurs keep asking privately, “What’s up with Trump?”

What the University of Chicago might have taught Charlie Kirk — and the rest of us.

Readers respond to the threat of a crackdown on the “far left” after Charlie Kirk’s assassination. Also: Scrapping climate-monitoring satellites.

Ben Shapiro and I discuss the state — and stakes — of political disagreement in America.

In a new series, David Leonhardt asks leading thinkers and politicians: What’s next.

The Kirk crackdown is underway.

Ben Shapiro and I discuss political de-escalation and the state — and stakes — of political disagreement in America.

A meeting of a C.D.C. advisory committee could restrict vaccine access.

The chief judge of the Rwandan genocide tribunal has concluded that Israel is guilty of the “crime of crimes” in Gaza.

Across the pond, the president’s hard-right nativism is flourishing.

The round table convenes to make sense of Kirk’s legacy and the future of discourse.

A towel snap. An eye roll. A punch. The president has spoken again.

Readers respond to column by Ezra Klein. Also: President Trump and the National Emergencies Act.

Even in mourning, the president drives our country closer to the brink.

Why companies are increasingly avoiding America’s stock market.

To welcome butterflies and help them thrive, start by planting the native plants their caterpillars need.

A loophole could allow Trump to eviscerate the Fed’s independence.

New tools allow law enforcement agencies to track us at an unimaginable scale.

The current collision course was never inevitable, and Trump’s penchant for defying norms could help ensure peace.

I am confident that Mamdani has the courage, urgency and optimism New York City needs to lead it through the challenges of this moment.

Responses to a column by Thomas L. Friedman about cooperation between the U.S. and China on artificial intelligence. Also: A beautiful sight in Nashville.

The president of Brazil calls U.S. tariffs on his country “not only misguided but also illogical” and defends former President Jair Bolsonaro’s conviction.

No matter the direction of the tragedy, the end result is the same — the right grows angrier at the left, and the left grows angrier at the right.

What kind of central bank should we want for America?

Why did the working class switch sides?

We’ve fully stepped into a different historical moment: the age of brain-poisoning meme politics.

What happens to us when we use vulgarity all the time.

Oil extraction and organized crime plague my community in the forests of eastern Mexico, but we’re fighting back.