A surge in positive Coronavirus tests among jockeys was met on Tuesday with a flurry of new movement-related restrictions at Thoroughbred tracks from coast to coast in an effort to keep the pandemic from spreading further. For the industry in general, any sizable spike in COVID-19 positives among participants will almost certainly trigger another wave of racetrack shutdowns. But for jockeys specifically, the balance of maintaining safety under pandemic precautions often comes down to treading a fine line between protecting one's health versus protecting one's livelihood. Since the end of...