A rapidly expanding form of online wagering is putting New Jersey at the center of a national legal battle over who gets to regulate sports betting — states such as New Jersey or federal commodities regulators. SouthJerseyNewsBeat.com reports New Jersey Attorney General Jen Davenport asked the U.S. Supreme Court earlier this month to review a federal appeals court decision involving Kalshi and determine whether states retain authority to regulate sports-related wagering offered through prediction markets.