The racing surface at Mountaineer Casino, Racetrack and Gaming Resort, normally closed for training on Wednesdays, was opened for Kentucky Derby winner Mine That Bird and the other grade II West Virginia Derby entrants, including Canadian invader Awesome Rhythm.

It comes as no surprise that legislators around the country are looking at racing's share of gaming revenue to balance budgets. The latest developments are in Pennsylvania, where breeders and horsemen have issued a call to action to protect the Race Horse Development Fund they say could be raided to support other programs in the state. West Virginia has been through it, and so has Delaware. The list...