Dear Thoroughbred racing participants, HISA's most important mission is to protect the health and wellbeing of the horses participating in Thoroughbred racing. Over the past few months, the challenges of that mission--and the critical importance of it--have never been more apparent. The events at Churchill Downs, Laurel Park and Saratoga Race Course this spring and summer were a sobering reminder that we must further prioritize creating a culture of safety and an ecosystem of care that takes into account all factors contributing to equine fatalities. And it is the responsibility...