A man with a permit to carry a gun was shot and wounded after he shot a suspect who was robbing him at gunpoint Tuesday in St. Paul, according to charges. Officers were dispatched to Atwater Street near Farrington Street on the North End at 3:37 a.m. with callers reporting hearing 30 to 50 gunshots. They found a 22-year-old with a gunshot wound to his side. He told police he’d shot someone, .