THOMPSON – Jeff Gural didn’t know what to expect. The managing director of the Meadowlands Racetrack & Entertainment complex thought sports betting in New Jersey might be a hit after its June launch.But he couldn’t get over how it rocketed in popularity, the first time he saw a crowd snaking out of the Meadowlands as bettors waited to wager on NFL games.In the last six months of 2018, New Jersey’s casinos and other sports book operators [...]