Right-wing columnists seem to get a factcheck pass:

When It Comes to the Truth of Opinion Columns, It’s ‘Reader Beware’

  It is quite normal for newspapers to run columns in their editorial pages written by people who don’t share the same editorial perspective of the publication’s editors. It’s why they call them “op-ed pages”—for “opposite the editorial page.” But normally, there is at least the assumption, among professional journalists and readers alike, that the opinion pieces …