While most of us are obsessing about the hydrofoils in the America's Cup, ask a sail designer what they noticed during the racing in Auckland recently, and you won’t be surprised by their answer - sails of course! JB Braun, North Sails' Director of Design and Engineering, is a six-time Cup veteran and one of the most respected sail designers in the world. JB shares his thoughts on this edition of the Cup and the technology above the deck...