Thistledown Racino's firing this week of track superintendent Sean Wright followed reports of alleged safety issues with the track's one-mile dirt surface that led to lost days of training and racing. There have also been multiple racing and training equine fatalities since the meet began Apr. 21. The ongoing autopsy on these events has raised compliance question marks (both at Thistledown and nationally) over a key component of the Horseracing Integrity and Safety Act's (HISA) racetrack safety program. Under this program, tracks are required when operating a meet to submit...