New Jersey’s efforts to bring legal sports betting to its horse tracks and Atlantic City casinos suffered another significant — and potentially fatal — setback on Tuesday when a federal appeals court upheld a previous ruling invalidating a challenge to a federal law that limits such gambling to four states. Following a rare hearing in February before a 12-judge panel from the 3rd U.S. Circuit Court of Appeals, the judges ruled 10-2 in favor of five sports organizations, including the NFL and the NCAA. The leagues had argued that a 2014 state law ran afoul of the 1992 federal law,…