U.S. Debt Hits $40 Trillion as America’s Borrowing Binge Continues

President Trump’s promises to restore fiscal order and reduce America’s debt have been hampered by spending on the Iran war, tax cuts and tariff refunds.

Trump’s Order to Cut Military Exercises With South Korea Carries Risks, Experts Say

President Trump’s decision to curtail the military exercises came as allies question the U.S. commitment to longstanding alliances.

As Iran and U.S. Settle Into an Uneasy Standoff, Who Will Blink First?

For weeks, there has been no diplomatic progress, but also no full-scale fighting, as both sides seem to believe they can hold out longer than the other.

Russian Missiles Kill at Least 15 in Kyiv as Air Defenses Dwindle

Moscow is taking advantage of Ukraine’s depleted stock of interceptors and is intensifying attacks, worsening the civilian death toll.24m agoBy Constant Méheut

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.