One year ago, a decades-old state requirement in New York that mandates that same-race mounts of married jockeys be coupled in pari-mutuel wagering cost the state an estimated $4.2 million in lost betting handle. That same rule also caused two well-respected, just-married riders--Katie Davis and Trevor McCarthy--to uproot their lives during the middle of a pandemic, necessitating them to move from New York to California to try and earn livings by riding where no such restrictions exist. In the midst of that upheaval, a New York lawmaker whose district includes...