Legalized sports gambling lets state governments tax what used to be an illicit and off-the-books activity. But where does the money go, exactly? In some instances, not far: Arkansas allocates 17.5% of its taxed revenue to horse breeding awards and racing purses. And of the $2.7 billion the US states collected in the previous four quarters, less than 2% went directly to those arguably most in need: problem gamblers and the programs built to support them.
