Disgraced harness trainer Christopher Oakes, who had close ties to Jorge Navarro, changed his plea to guilty Tuesday when appearing before federal judge Mary Kay Vyskocil via teleconference. In doing so, Oakes became the 10th person among the original 27 indicted in March 2020 for their role in a widespread scheme to use performance-enhancing drugs on Thoroughbreds and Standardbreds to enter a guilty plea. Oakes, 57, pled guilty to one count of misbranding and drug adulteration with intent to defraud or deceive and faces up to three years in prison....