The Backside Learning Center at Churchill Downs is launching "Purses for a Purpose", a program to allow horse owners to pledge a portion of their horse's earnings to benefit backside workers and their families. "The backstretch community is a hugely important part of our sport, and we're more than happy to support it in any way we can," Brian DiDonato of Franklin Ave. Equine LLC, owner of Moonshine Dancing (Speightster) and Too Much Kandy (Kantharos), the first two horses to participate in Purses for a Purpose, said of his motivation...