The Department of Justice and House Democrats reached a cease fire Monday, striking a deal for lawmakers to see certain documents related to special counsel Robert Mueller’s investigation. Let’s hope Attorney General Bill Barr is ready to provide context when the inevitable leaks come.

Justice made the accommodation after Judiciary Chairman Jerrold Nadler climbed down from his demand that Mr. Barr provide all Mueller material, including grand jury testimony protected by federal law. Mr. Nadler narrowed his request to witness...