John Maclean talks new book 'How Far Can You Go?'

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He's raced at the Olympics and Paralympics, swum the English Channel, conquered the Hawaii Ironman, but most incredibly John Maclean learned how to walk again after spending almost three decades in a wheelchair.

Maclean joins Good Day to talk about his amazing recovery and his new book "How Far Can You Go?", which details his path from rolling to walking.