Andy Farrell has never owned a pair of rose-tinted glasses. The Ireland head coach sees things in black and white and is acutely aware of the questions surrounding his position as his team prepares for a second Guinness Six Nations campaign under his command.  Finishing third in the last two Six Nations is just not good enough for Ireland and Farrell’s sole purpose in this championship is to break up the duopoly of France and England.  Those who have worked alongside Farrell describe him as having real presence, totally driven to succeed and a great communicator, but he is now…