Last night I joined the circus and danced center stage in Cirque du Soleil's Alegria with the White Singer.My family tells me that the contrast of my all black clothing with her all white clothing looked elegant and refined, making up for my complete lack of ballroom dancing skills.The story about how this happened is an amazing chain of events, illustrating the powerful forces of fate that shape our lives.Here's the tale:In September of 1980, I arrived at Stanford and moved into Granada, a dorm that's part of the Lagunita complex. I met a woman named Kathy Greene who lived in Eucalypto, another Lagunita dorm. She was Korean American, an artist, and could do everything I could not. She had a perfect right brain to complement my clumsy left brain. We've never been apart since and just...