GB sailors bemused by Olympic changes

Three-time Olympic champion Ben Ainslie and 2009 windsurfing world champion Nick Dempsey tell BBC Sport of their frustration with changes to the Olympic classes for the 2016 Rio Games.

See more of Ainslie and Dempsey, plus watch interviews with stars like triple jumper Philips Idowu, cyclist Mark Cavendish, taekwondo world champion Sarah Stevenson and sailing great Ben Ainslie on British Olympic Dreams from 14 May.

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