They never got close, and Mitt Romney may not have even seen them, but protesters — some from Occupy Wall Street — took political theater to a new level Sunday outside the beachfront estate of billionaire David H. Koch, where the Republican candidate was raising money. Some of the 200 protesters marched down mile-long Coopers Beach toward the home in a cloud of sand, bearing banners and signs: "Your $50,000 ticket equals my child's education," "end corporate personhood" and "don't forget to tip the help."