Every week, the TDN posts a roundup of the relevant Horseracing Integrity and Safety Act (HISA) related rulings from around the country. Among the key rulings from the last week, trainer Bonnie Lucas was suspended seven days after a post-race Xylazine positive in a sample taken from Tankinator, who was injured and vanned off in a race at Parx Racing on Nov. 7. Xylazine is a Class B controlled medication under HISA that can be used to sedate racehorses. It remains unclear whether Tankinator was euthanized as a result of...