The doping of race horses is likely as old as the sport itself. But the recent increase of big money appears to have led to new abuses, most conspicuously at the Aqueduct Racetrack in Queens, New York. Thirty horses died there last year — a 100% increase over the previous year. The New York Times has linked those casualties to what it calls "technologically advanced gambling options" at the track's new casino. So what about the Kentucky Derby, which runs tomorrow in Bluegrass country? Paul Moran writes about horseracing for ESPN.com.