Tobys Heart (Jack Milton), broke last, made a sustained move from the rear of the field, steadied on the turn and ran greenly in the stretch, yet still romped by a distance to become the latest 'TDN Rising Star' Thursday at Churchill. Showing an upbeat worktab for trainer Brian Lynch highlighted by a half-mile breeze over the local main track in :47 1/5 (5/84) May 23, the $45,000 OBS March buy was supported at the windows throughout and ended up as a close 17-5 third choice behind firsters from the...