Two Texas horsemen should be allowed to register cloned horses with the American Quarter Horse Association, a federal court jury said Tuesday, possibly clearing the way for the animals to compete in sanctioned races across the U.S. The jury in U.S. District Court for the Northern District of Texas in Amarillo found in favor of rancher Jason Abraham of Canadian, Texas, and veterinarian Gregg Veneklasen of Amarillo, saying the association violated the federal Sherman Antitrust Act and the Texas Free Enterprise and Antitrust Act. The plaintiffs had asked for $2 million to $5 million in damages, but the jury provided…