Market Street RailwaySan Franciscans cramming into the Zurich car in our city's historic railway fleet know the Swiss have a little catching up to do with us when it comes to girthAt this month's "Global City Forum" -- an international conference on sustainability held, oddly enough, in the totally unsustainable bubble of Abu Dhabi -- the delegate from Zurich said a very unusual thing. Never mind that he hails from a safe, prosperous, and well-run city -- that's boring! They want to be more like