Scotland are on the brink of something new. They have the chance to make history by achieving their first-ever Triple Crown in the Six Nations Championship, a feat no other Scottish side has accomplished. Recent victories against England and Wales have made the long years of struggle, the fight to avoid a wooden spoon and the humiliating defeats seem an age away. Only Ireland stand in their way. For most of Ireland’s rugby history, they have occupied a similar position to Scotland, but the professional era has been good to Ireland and that is no coincidence. Four Six Nations Championship…