The strangest thing happened while I was on BART (the San Francisco commuter train) on Friday. The girl standing next to me, who had been complaining loudly about the over-crowded train, spit at the people standing on the platform right before the door closed. Her friends immediately started doing a victory dance, singing "Boo-boo-be-doo - we spit on you!"

The fact that all these kids immediately knew how to celebrate the spitting on random commuters made me wonder if this is part of an evolving subculture. It's probably not that far a leap from spitting to the pyrotechnic subculture. Random violence seems to be bubbling up from the ground. Yet because it's happening in a familiar setting, we're striving for labels other than "terrorism". Our children aren't terroris