In ancient Rome, gladiators took an oath known as the “sacramentum gladiatorium” before entering the arena. This solemn promise typically included vows to endure hardships, fight bravely and accept their fate, whether victory or death.  It was therefore fitting that the Colosseum in Rome served as the backdrop for this season’s Six Nations Championship launch. The ancient ruins provided a dramatic setting for the official photo call, where six captains stood like modern-day gladiators before the trophy they’ll battle for over the 15-game tournament. Seven opera singers sang Nessun Dorma while coaches and captains made their entrance along a catwalk,…