O'Gara: This Rugby World Cup is about to get properly serious

Sit steady and stop fidgeting. The World Cup is about to get properly serious. With the quarter-finals, it will all kick-off. Is there a major ingredient missing? Let’s call a spade a spade: it’s a lot more intriguing with Japan, rather than Scotland or Argentina.
Before the tournament started, I stated here that Ireland needed to get two 80 minutes right – against Scotland and in the quarter-final. That’s the most salient point of the week.