The decision doesn’t legalize gambling nationwide, but it allows states to pass their own laws to that effect. In a 6–3 ruling, the Supreme Court backed the state of New Jersey’s challenge to the Professional and Amateur Sports Protection Act, a 1992 law that banned states other than Nevada from operating a sports book. But don’t get too excited-or horrified, depending on your perspective-about the future of online sports gambling just yet it won’t come all at once, and it won’t be everywhere. With a Supreme Court ruling Monday, that’s about to change, likely before the upcoming NFL season kicks off. For decades, sports betting has been illegal in the US outside Nevada.