Our ride home from the Caltrain station takes us through the strange, anarchy-prone intersection of Division, 10th, Brannan and Potrero streets. The other night, as we gasped for air while sprinting for the green light on our 40-Year-Old Virgin-style commuter bike, we had an unfortunate encounter with a bug. Bitter experience tells us that when a cyclist feels the splat of a gnat on the back of the throat, there is little to be done......