Crowds cheered Saturday for the University of Washington Men's rowing team as they pulled far ahead of Syracuse and Oxford. But the little electric helicopter that was speeding low over the water, chasing the rowers, got almost as much attention from the tens of thousands gathered for the race with oohs and aahs trailing the whirring contraption. So what was it all about? Well apparently it is a somewhat secretive camera platform. The operator asked photographers gathered at the Conibear Shellhouse not to take closeups of the prototype helicopter that had just been center stage along the Montlake Cut. This...