Oh, California. In an industry roiling coast to coast, the turmoil out west is something else. Handle is down more than $77 million at Santa Anita. Too few horses cause canceled days. Horseplayers are in revolt. “In my opinion,” bettor Andy Asaro told Art Wilson, “the CHRB leadership has failed California racing.” The matter of who’s leading is about to get more complicated: A new group called the California Thoroughbred Horsemen’s Association issued a press release last night challenging the standing of the Thoroughbred Owners of California as the official group representing owners’ interests in the state.