Rich Lowry: Barr is a scapegoat in a war of misdirection

An investigation into whether the president of the United States committed treason has devolved into a squabble over Attorney General Bill Barr's brief letter saying that he didn't.We've gone from Donald Trump allegedly betraying the nation to Bill Barr allegedly betraying the nation, from potential Trump impeachment to potential Barr impeachment.Barr's offense, of course, is writing a quick letter summarizing the top-line conclusions of the Mueller report. Ever since, he's been the focus of con