Shane and Josh Hennessy grew up in an Ohio family whose only connection to horse racing was a yearly tradition of watching the Kentucky Derby on television, but the two brothers are more than making up for lost time. Both now serve as managers at Kentucky farms which enjoyed strong results at the recently concluded Keeneland September Yearling Sale. Josh is in his third year at the Knelman family's Farfellow Farms, while Shane joined forces with Robbie and Susie Lyons's Hartwell Farm last December. "I came down to University of...