The president denounced “treasonous” people who should be investigated themselves, and the chairman of the Senate Judiciary Committee suggested a separate inquiry into potential anti-Trump bias at the F.B.I.

The attorney general: William Barr’s decision to declare that Mr. Trump had not committed a crime — despite the fact that the special counsel, Robert Mueller, stopped short of exonerating the president — has renewed a debate about the role of American law enforcement in politically charged investigations.

The special counsel: Now that his report has been filed, Mr. Mueller is poised to return to civilian life as a figure of mystery and fascination.

The news media: Journalists faced bipartisan criticism after the special counsel found that the Trump campaign had not conspired with Russia. Dean Baquet, the executive editor of The Times, said. “We wrote a lot about Russia, and I have no regrets. It’s not our job to determine whether or not there was illegality.”

The Daily: In today’s episode, a reporter discusses Mr. Barr’s determination that Mr. Trump had not illegally obstructed justice.