“So what are you going to do? Everything, is my guess,” Nora Ephron famously told the graduating class of Wellesley in her 1996 commencement speech.
That same year, I gave a graduation speech at my all-girls elementary school in San Francisco. Nora quoted Yogi Berra in hers (“When you see a fork in the road, take it”); I quoted ABBA in mine (“What a joy…