Larry Demeritte is the first Black trainer participating in the Kentucky Derby in 35 years. And while the betting-books have his colt West Saratoga running at long odds, Demeritte, who is battling chronic illness and cancer, is feeling confident. For the 70-something veteran trainer, this is his first time at the Derby, but he is part of a rich history of Black horsemen who helped shape the Kentucky Derby into the iconic race it is today. For sponsor-free episodes of Consider This, sign up for Consider This+ via Apple Podcasts or at plus.npr.org.Email us at considerthis@npr.org.