Of course he can but the problem is trump. It’s like people complaining about Jared and Ivanka and security clearances and all scandals and topics. The problem is trump. You can impeach all cabinet secretaries but why not impeach trump? You can impeach Acosta for the pervert case, Barr for obstruction, Nielsen for murder, etc etc. but trumps the problemIt is not surprising that Barr is hiding the report from the public and the Congress, in an effort to protect Trump.
Can Barr be impeached? We cannot afford to have the highest post in the justice department held by a partisan political person.