Introduction One summary of the Peter Principle, named after psychologist Laurence J. Peters, is that "in a hierarchy every employee tends to rise to their level of incompetence." Three Italian…

Introduction Anthony Watts over at Watts Up With That?---incidentally, a blog title infinitely superior to "William M. Briggs, Statistician"---asked me to comment on Joe D'Aleo and Don Easterbrook's new paper,…