FORT WORTH -- One teen-ager is in custody Wednesday and two suspects are being sought in connection with a robbery at a supermarket where the husband of an employee waiting outside confronted the suspects and opened fire, according to reports.The 17-year-old showed up at Huguley Memorial Medical Center in south Fort Worth where doctors called police as the teen was treated for gunshot wounds to his backside and foot , KRLD reported.The robbery occurred at about 11:30 p.m. Tuesday when three suspects with yellow bandanas robbed customers and workers at an Albertsons at 3525 Sycamore School Road in south Fort...