LEXINGTON, Kentucky, March 8 -- The National Thoroughbred Racing Association issued the following news: * * * DUALITY SPORTS & ENTERTAINMENT AND NTRA PRESENT "WINNER'S CIRCLE" - A DOCUMENTARY DIVING INTO THE HIGH-STAKES WORLD OF CHAMPIONSHIP HORSE GAMBLING Duality Sports & Entertainment, in collaboration with the National Thoroughbred Racing Association (NTRA), proudly presents Winner's Circle, a short documentary offering an exclusive look into the high-stakes world of professional horse rac more PR