Olympics Taekwondo: Sarah Stevenson's perspective on life

World taekwondo champion Sarah Stevenson talks to BBC Sport's Nick Hope about her dream to become Olympic gold medallist after taking Bronze in Beijing.

Stevenson, who read the athletes' oath at the opening ceremony, has had to overcome a serious knee injury and the tragic loss of both her parents in the last 18 months, which she "uses to put things into perspective."

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