Mr. Smith’s testimony will be the latest public clash over the use of prosecutorial power in American politics.

A Republican eager to prove the former special counsel was dishonest appeared to instead demonstrate his own confusion over basic facts.

© Alex Kent/The New York Times

The resignation adds to the setbacks to the most sweeping effort by the Justice Department to fulfill the president’s desire to take revenge against the federal officials who have investigated him.

© Mark Henle/USA Today, via Reuters

Lawyers for the agents said that their clients would testify about “a properly predicated allegation that then-citizen Trump had unlawfully retained hundreds of highly classified documents.”

© Josh Ritchie for The New York Times

The justices have been asked to rule on whether the president can appoint allies as top prosecutors.

© Haiyun Jiang/The New York Times