Reasons for Ireland to be fearful in rugby World Cup

Ireland’s prospects of making a first World Cup semi-final will be dictated by the outcome of that game against the French. Win and a quarter-final against Argentina beckons.
That’s manageable if not straightforward against a side that is showing continual improvement as a result of their annual involvement in the Rugby Championship. Lose and New Zealand awaits. At this point in time let’s just say — less manageable.