Final answer:
In cases of libel against public officials, the 'actual malice' standard requires the publisher to act with knowledge of falsity or a reckless disregard for the truth.
Step-by-step explanation:
In cases of libel against public officials, the requirement that the publisher acted with knowledge of falsity or a reckless disregard for the truth is known as the 'actual malice' standard. In cases of libel against public officials, the 'actual malice' standard requires the publisher to act with knowledge of falsity or a reckless disregard for the truth.
This standard was established in the New York Times v. Sullivan (1964) case, where the U.S. Supreme Court ruled that public officials must prove that a statement was made with 'actual malice' to recover damages for a defamatory falsehood related to their official conduct. In cases of libel against public officials, the 'actual malice' standard requires the publisher to act with knowledge of falsity or a reckless disregard for the truth.