RUNWAY MAGAZINE REPORT| From icebergs to apocalypse, Chanel's stage sets have established the goalposts for Napoleonic excess in fashion. Today's backdrop featured a wind farm and solar panels. The reason? "The wind and sun are free," Karl Lagerfeld said disingenuously. They would have been the only things that were, in a presentation that was so overwhelming in its scale it was no easy task for the sweet clothes to make an impression. Still, there were clear messa