A Stunning Win for the Left in Florida: 6 Takeaways From Tuesday’s Primaries

State Representative Angie Nixon, a progressive firebrand, used grass-roots enthusiasm to defeat a moderate. Can it carry her to victory in November?

Ukraine’s Ex-Defense Minister Calls for Election, Cementing Break With Zelensky

Mykhailo Fedorov, a popular young leader who was fired last month, said Russia should not be allowed to dictate when Ukrainians can choose their next government.

With Limited Options, Trump Tries Economic Pressure on Iran — Again

Iran has survived decades of sanctions. Faced with more, it is likely to escalate rather than surrender, analysts said.

Tariffs on Hold as Trump Claims Deal With Canada Is Near

Prime Minister Mark Carney of Canada was less definitive about what the intense talks produced, saying “important work” remained.

Florida Primary Underscores State’s New Identity as a Republican Juggernaut

The G.O.P. holds every statewide elected office and has drastically swung voter registration. A new congressional map has added four Republican-leaning seats.

How Israel’s Financial Chokehold Is Stifling the West Bank Economy

Intensifying restrictions have hit every part of the territory’s dealings, spurring worries about whether the Palestinian Authority can remain solvent.

Facing Quagmire in Iran, Trump Turns to a Familiar Face: Kim Jong-un

Seven years ago, President Trump failed to disarm North Korea and walked away. Could the same thing happen with Iran?

States Seek $200 Billion From Meta Over Child Social Media Addiction Claims

California, Colorado, Kentucky and New Jersey are taking the social media giant to trial in the first bellwether federal case over child harm.

Silicon Valley Executives Are Tech Fans. Just Not for Their Own Children.

Parents in the industry are practicing moderation and restraint at home. They might be onto something.

China Wants to Shape What the World’s A.I. Knows

China is exporting more than A.I. models. It wants to influence chatbots, raising fears that Beijing’s narratives will spread with the technology.

With A.I. Riches at Stake, Pressures Mount to Share the Wealth

Iran Is Bracing for Conflict Abroad and at Home

Ayatollah Mojtaba Khamenei’s appointment of loyalists to top jobs suggests he is prepared to keep the country on a war footing and to quash domestic dissent.

U.S. and Iran Blow Through Deadline to Agree to Broad Deal toEnd War

President Trump said a cease-fire agreed to in June would lead to limits on Iran’s nuclear program and finish the conflict, but the countries appear far apart.

Trump’s Overture to Kim Jong-un Strains Alliance With South Korea

President Trump wants to curtail military exercises with South Korea, saying they were hostile to North Korea. But under Mr. Kim, the North has become increasingly belligerent toward the South.

The U.S. Military Wants A.I. Dominance. Feuds and China May Thwart It.

The Trump administration is veering wildly in its response to the national security implications of A.I. as China charges ahead.

Trump’s Other Hold on the Americas: The Visa

As part of its expansionist approach to the Western Hemisphere, the administration is trying to reassert its dominance, one U.S. visa at a time.

As Iran War Turns Into Economic Battle, New U.S. Strategy Recalls Old Ones

The U.S. and Iran are poised to blow past Monday’s self-imposed deadline to broker terms on peace and Iran’s nuclear program.

How a False Nuclear Claim About Iran Ricocheted From India to Washington

A dubious post that spread on X became the basis of false claims that Iran’s leadership had declared the country a nuclear power.

How a Ukrainian Bank Worker Came to Face Life in a Russian Prison

Artem Murdid, his mother and his girlfriend are accused of terrorism. They say they did nothing wrong.

Prosecutors Examined Firm With Tie to Judge in Trump Hush Money Trial

A U.S. attorney subpoenaed a firm that had been co-owned by the daughter of the judge who conducted the trial that led to President Trump’s felony conviction.

How Cyclospora Evaded the U.S. Food Safety System to Sicken Thousands

The Trump administration delayed a rule last year that could have sped up the effort to pinpoint the source of the contamination.

Navy Carrier’s Problems Are Tied to Attacks on U.S. Base in Bahrain

As China Pushes to Expand in Asia, Trump Focuses on Iran

Asian allies are beginning to wonder whether the U.S. would or could defend them in a war.

The Iranian YouTube Show Posing Questions Few Dare to Ask

Azad, a popular online debate program, has tackled topics that push the limits in Iran’s authoritarian system. Many wonder how it has remained on air.

Israeli Strikes in Lebanon Kill 9 People, Health Officials Say