The president has attacked law firms for “frivolous” litigation. But his actions could undermine the basic right of Americans to sue their government.

President Trump’s executive order on Friday calling for the dismantling of the federal agency that oversees the broadcaster is part of a wider campaign to...

New York Times v. Sullivan and other landmark Supreme Court decisions protect the press’s ability to investigate public figures. But a growing right-wing movement seeks...

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.