From Thoroughbred Idea Foundation Since publishing our story on a pool manipulation incident at Gulfstream Park, TIF has received or noticed a variety of comments and questions about it and also identified a new incident of manipulation from Saturday, Nov. 19 at Laurel Park. We hope to answer some of those questions and provide more context for those trying to understand what is involved in threatening the integrity of the sport. Among the questions we tackle: How often does this happen and why? I don't understand this...could you explain, step-by-step,...