In a way that nobody ever envisioned or wanted, the gambling part of our industry is about to have a massive social experiment imposed upon it: For the near-term future, betting on horse races will be pretty much the only form of sports wagering in America. In an effort to mitigate the spread of the COVID-19 virus, professional basketball and hockey have suspended their schedules. Major league baseball's season opening has been pushed back. The NCAA basketball tournament has been canceled outright. Racing's response to the coronavirus has been different,...