About 50 miles up I-95 from Gulfstream Park, Abbi's Frontman won the $100,000 Legacy Grand Championship Saturday night at the Palm Beach Kennel Club, the richest race in the track's history. But this was not a night to celebrate. With the conclusion of the card, there were only 18 days of racing left until the greyhound track would be forced to close after operating for some 90 years. In 2018, Florida voters approved an amendment that made wagering on dog racing in the state illegal, effectively banning the sport. It...