Mr. Barr rebuffed accusations that he had misrepresented the conclusions reached by the special counsel, Robert Mueller, and dismissed Mr. Mueller’s complaints about an initial summary of the report as “a bit snitty.”

News analysis: Whether Mr. Barr used his powers neutrally or abused them to create a more favorable impression for the president was a focus of the hearing, our Washington correspondent writes.

See for yourself: Read Mr. Mueller’s letter, and review crucial moments from the testimony.

The Daily: In today’s episode, our congressional reporter tells us about the day in the hearing room.

Perspective: In an Op-Ed, the former F.B.I. director James Comey writes about Mr. Barr and his relationship with President Trump: “Amoral leaders have a way of revealing the character of those around them.”