The theme of Wexford Festival Opera this year is Women and War. It’s not that unusual for opera to feature women in a time of war. But two of the works take angles you might not expect to find on the opera stage. L’Aube Rouge (The Red Dawn), by Camille Erlanger, which was first performed in 1911 in the French city of Rouen, follows a group of nihilists as they travel from St Petersburg to the French Riviera and on to Paris before making their way back to Russia. There is, of course, a love angle. Olga, an aristocrat who...