It is a first which, just over a year before the World Cup organized by France, fuels a little more hope of a consecration. For the first time since the creation of European club competitions (in 1955), tricolor rugby has indeed achieved a treble as unprecedented as it is sparkling: Grand Slam for the XV of France in the Six Nations Tournament, victory for Lyon in the Challenge Cup and crowning of La Rochelle in the Champions Cup. France reigns supreme over European rugby…