Despite COVID shutdowns, a total of $21.52 billion was wagered legally on sports in the U.S. in 2020, about twice what was bet on horse racing, and the gap will be even greater this year and for years to come. Sports betting is growing exponentially and an argument can be made that some of its success is coming at horse racing's expense. It's surely siphoning off dollars that otherwise might be available to racing's pari-mutuel pools and it has to be drawing existing and potential customers away from racing. Yet,...