State-bred and -sired programs in Louisiana, West Virginia and Maryland were in the spotlight over the weekend, and the while main events at Delta Downs, Charles Town Races and Laurel Park each featured heavily backed odds-on favorites, the results produced varying outcomes: A new track record, a double-digit-lengths blowout, and an upset of a Breeders' Cup-placed horse who had seemed like a cinch dropping down into restricted company. On Saturday at Delta Downs, Touchuponastar (Star Guitar) returned from a 4 1/2-month layoff in the co-featured $100,000 Gold Cup Stakes for...