As in years past, football fans who like a little bit of action can pick NFL games at Calder Casino: It’s a far cry from sports gambling, but it’s the best casino option we have. That may change, according to the American Gaming Association and legal experts. They see a day when sports betting is legal at casinos everywhere and point to a case to be heard by the U.S. Supreme Court regarding New Jersey’s efforts to legalize sports wagering. The case could bring about the repeal of the Professional and Amateur Sports Protection Act (PASPA), that Congress passed in...