The Supreme Court left in place an agreement between the Seminole Tribe of Florida and the state of Florida, which gives the Seminole Tribe the exclusive right to offer online sports betting statewide.
Several tribes are asking voters to pass a measure that would allow sports gambling on tribal lands and race tracks. Opponents say it could hurt card rooms.
The Supreme Court ruled 6-3 to strike down the Professional and Amateur Sports Protection Act. The 1992 law barred state-authorized sports gambling with some exceptions.