NUVEEN FLAGSHIP NORTH CAROLINA MUNI BD MUTUAL FUNDS USMF - What does NUVEEN FLAGSHIP NORTH CAROLINA MUNI BD MUTUAL FUNDS USMF mean? - What does NUVEEN FLAGSHIP NORTH CAROLINA MUNI BD MUTUAL FUNDS USMF stand for? - NUVEEN FLAGSHIP NORTH CAROLINA MUNI BD MUTUAL FUNDS USMF meaning