It was a warm June day, on the heights near the Missouri River in south-central South Dakota, when Billie Sutton mounted his favorite horse, Purple, and went out to rope some calves.For a ranch family such as that of the Suttons, it was routine.

But these days, nothing is routine for Sutton. Not since a freak rodeo accident in October 2007 abruptly changed his life.

Billie Sutton, 29, is paralyzed from the waist down.

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