New tackle law interpretations are a live and present danger for Japanese World Cup

The Irish Examiner Rugby World Cup Tournament Preview panel warn of red card risks as squads train 14-man scenarios

Irish Examiner columnist Ronan O'Gara believes discipline "could win a World Cup" as teams have had to adapt to new interpretations of the tackle laws.

In the below video, O'Gara, fellow columnist Donal Lenihan and Munster Head Coach Johann van Graan discussed how the interpretation of high tackles, Hawkeye, and HIA protocols can have a major bearing on the outcome of World Cup matches.