John Dunsmore isn't shy about giving away free smoothies for a cause.“Rather than just write a check, we give our time and our product,” said the owner of Robeks stores in Norwalk, Westport and Cos Cob.  Dunsmore and his team set up smoothie stands this past March for the Spin Odyssey fundraiser at Intensity, a fitness center in Norwalk. They did the same at the Norwalk Education ...