Call it luck, or call it a nose for news: a journalist’s ability to sense a good story. Whatever you call it, Katie Blunt has it, and it’s taking her to college in North Carolina.     The Severna Park High School senior was in class, watching a documentary on the Lost Boys, when a visiting teacher noted that a group of these Sudani refugees lived on his street.     That’s when Blunt’s journalism instincts kicked in. She asked the teacher...