After 49 horses died in California, one question kept being asked: should horse racing still exist? From ESPN Investigates, Bloodlines dives into this question by examining the past, present and future of this hallowed sport.
When A Horse Dies -- An examination of the 49 dead horses at Santa Anita
A look into the history of thoroughbred horse racing in America.
The House Is Condemned -- A trip to the breeding farms of Kentucky asks the question what is the future of horse racing?