(Photo by Cory Weaver) Festivities galore flooded the San Francisco’s Civic Center Friday night – Opera Ball, Opera Dinner, and the opera itself, Verdi’s, “Un Ballo in Maschera.” Opening night at San Francisco Opera sparkled with taffeta gowns and tux, platform heels and feathers, jewelry glittering up and down arms and nifty bowties. In honor of the entitled opera and {…}