San Francisco Opera's Opera in the Ballpark event is one of the best things about living in San Francisco. I've been to every single simulcast, which the company presents once a year at the Giants' home stadium on the waterfront to tens of thousands of people for free. And it's always a memorable evening.This year's offering -- Rigoletto -- will stand out for me for a few reasons. Ok, so I don't much care for the gra…
