William Barr

As Democrats weigh the benefits of impeachment following the release of the Mueller report, here's what history says about the arguments for or against proceeding.

The attorney general will add four categories of redactions to the special counsel's report on Trump campaign collusion with Russia. Can each be challenged?

There's historical precedent for prosecuting obstruction of justice without proving an underlying crime.

Political psychologists weigh in on whether people's views will change, and how entrenched our partisan identities are.