Every week, the TDN posts a roundup of the relevant Horseracing Integrity and Safety Act (HISA)-related rulings from around the country. Among this week's rulings, trainer Daniel Franko has been suspended seven days after his trainee, Misty's Cat, tested positive for caffeine, when winning at Golden Gate Fields on Dec. 1 last year. He was also fined $1,000. Caffeine is a Class B controlled substance under HISA. The case was resolved without a hearing. NEW HISA/HIWU STEWARDS RULINGS The following rulings were reported on HISA's "rulings" portal and through...