A thing happened to us in an LA transit station that never-ever happens in San Francisco: a safety officer tried to shepherd the kids... sort of. I can't say exactly why this has never happened to us in San Francisco, but I've got ideas: frankly, I think San Francisco is just used to us. We live there. We're in and out of the stations several times a day every day. Consequently, I'm guessing the same folks who are in the station day after day have noticed the gang plenty of times, perhaps so many times they've completely discounted them at this point. LA on the other hand, seems not to be used to us yet. Our tale starts a few days back. The kids had spent most of the day doing a seven mile hike up to Griffith Observatory. We met downtown shortly afterwards to head out on a Metro train. The journey was pleasant enough—Metro trains are kinda odd for denizens of BART because you can't move from car to car. The kids ride subways every day, s...