Ireland’s Andy Farrell shuns talk of family duel at Twickenham

• Coach faces his son Owen, England captain, in two weeks • ‘I’ve not even thought about it,’ says Ireland coachThe Farrells practically exude impatience when questions turn to the matter of each other, so Andy Farrell and his son Owen, coach of Ireland and captain of England respectively, had better prepare to have their patience tried over the next fortnight. Ireland travel to Twickenham a week on Sunday in search of the triple crown, following their impressive victory over Wales on Saturday.“Honestly, I’ve not even thought about it,” said Andy in true Farrell fashion. “You’d think England m…