Why the A.I. Boom Is Unlike the Dot-Com Boom

Silicon Valley is again betting everything on a new technology. But the mania is not a reboot of the late-1990s frenzy.Ben Horowitz, a major A.I. venture capitalist, in 2019. “The clearest sign that we are not actually in a bubble is the fact that everyone is talking about a bubble,” he said.

D David Streitfeld

Legal Groups Sue Justice Dept. for Secret Memo Justifying Boat Strikes

“The public deserves to know how the Trump administration has justified the outright murder of civilians as lawful,” the organizations said in their lawsuit.The lawsuit, filed by the American Civil Liberties Union and other legal groups, seeks the release of a secret memo that provides a legal ratio

J Jonah E. Bromwich

In L.A., $750 a Month to Live in a Backyard Storage Unit

A landlord crowded tenants into his house and yard without running water or power. One, determined to find an alternative, was up against the city’s housing crisis.“I’m just kind of done living like this,” Junior Estrada said.

L Livia Albeck-Ripka

What Streaming TV Could Learn from ‘Mad Men’

The classic show arrived on HBO Max with an embarrassing remastering error. But the show’s creative mastery remains undeniable.Jon Hamm in “Mad Men,” now streaming on HBO Max.

J James Poniewozik

Europe, Too, Is Worth Fighting For

Provided Europeans want to fight for it.European Union leaders with Volodymyr Zelensky of Ukraine and President Trump at the White House in August.

B Bret Stephens

Student Is Killed in Kentucky State University Shooting

The police said that a suspect was arrested after the shooting in Frankfort, Ky. A second student was injured and in critical but stable condition, a university spokesman said.The Kentucky State University campus in Frankfort, Ky., where the police responded to a shooting on Tuesday afternoon.

M Michael Levenson and Rylee Kirk

Kathryn Garcia Is Named New Head of the Port Authority

Ms. Garcia, who ran for mayor of New York in 2021 after serving as the city’s sanitation commissioner, would succeed Rick Cotton, who is retiring.Kathryn Gardia said she expected to start in the new role early next year.

B Benjamin Oreskes and Patrick McGeehan

End of Major Corruption Case Embarrasses N.Y. Cannabis Regulators

A case against the Long Island-based cannabis company Omnium Health was halted on the eve of trial. A judge on Tuesday held off on dropping the matter.Omnium Health, in Hauppauge, N.Y., has been the focus of a major state corruption investigation.

A Ashley Southall

Items Seized From Mangione Included Bullets and Note to ‘Pluck Eyebrows’

Prosecutors showed body camera footage as they argued that some evidence the police said they collected from Luigi Mangione’s backpack when he was arrested should be admitted at trial.Luigi Mangione is accused of killing a health insurance executive last year outside a hotel in Midtown Manhattan.

H Hurubie Meko and Anusha Bayya