First Amendment experts say Mr. Trump’s lawsuits, based on an unproven legal theory, lack merit. But more could be on the way.

Mr. Trump, the board noted, has argued that a state court should not be permitted to exert control over a sitting president.

The small flurry of threatened defamation suits is the latest sign that the incoming Trump administration appears poised to do what it can to crack...

Tragedy turned Nadia Milleron, Ralph Nader’s niece, into an activist. Now she’s on a long-shot campaign for Congress.

A federal appeals court said that the judge overseeing the original trial, which Ms. Palin lost, had wrongly excluded evidence and might have swayed jurors...

Tensions had been brewing for years inside Clare Locke, a top defamation law firm. Then came the biggest defamation case of them all.

The homes of New Hampshire Public Media journalists were vandalized after they aired a sexual harassment investigation involving a prominent businessman in the state.

After publishing an exposé, journalists in New Hampshire faced broken windows, vulgar graffiti and a legal brawl, with important First Amendment implications.

Those who argue that the news media should pay a steeper price for mistakes are pushing to have a landmark Supreme Court ruling overturned.

Officials with Signature and Silicon Valley banks, which regulators seized in recent days, called for looser financial requirements for midsize banks.