Evidently NOT a persona non grata...
Professor Carl A. Anderson*, supreme knight of the Knights of Columbus was received in private audience by Pope Benedict XVI.
I thought Michael Voris once said something about Anderson and the Knights of Columbus being 'no damn good'?
I wonder how many Catholics online have ever been received in private audience?
*In Rome for Ecclesia in America Conference, Vatican City. Somehow I think he has the Pope's approval and blessing on his side.