SUPPOSE chewing up that low-gear was the luckiest thing that ever happened. I didn't think so at the time, naturally, as I was eighteen miles from home, and the Bolinas road was so wild and unfrequented that you almost never meet a team. As luck would have it, the stage had passed just ten minutes before it dawned on me that I was in trouble. They talk about being alone in a great city, but getting stranded in the woods with a sick car is forty times worse. Of