'It costs me $15,000 for her to be a Paralympian'

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Rosalyn Clark, speaking to the BBC’s Mani Djazmi, represented America at the 1976 Montreal Olympic Games, winning silver in the 4x400m relay. She describes how Breanna copes with running a tactical race, when she first heard about the Paralympics, and the huge financial cost of supporting her daughter on the road to Rio. (Image: Breanna Clark, credit: Getty Images)