Wales must not repeat England's mistakes if they are to beat Ireland

It is only right that we start with the biggest fixture of the fourth round of the Six Nations and that is in Cardiff where Wales face the unbeaten Irish.

The Millennium holds no historic terrors for Ireland and, though home advantage is significant, the form of the two protagonists hitherto means Ireland are favourites for this game.

If they win it they should take the title and only their third Grand Slam in history.

To achieve this they have to replicate the intensity and precision they showed in their performance against England in Dublin.

If they do they will win; if they don't…