(Credit: Cory Weaver/San Francisco Opera) The talisman of Beethoven’s “Fidelio” is “Freiheit (freedom).” Though “Fidelio” is Beethoven’s only opera, it was not his only “cri de coeur” for liberty as the conclusion of his Ninth Symphony showed. San Francisco Opera’s production offered that message for today’s world. “Freiheit” equals Liberty. “Freiheit” equals independence, both personal and political. And “Freiheit” equals {…}