DUBLIN, Ireland (AP) - Several hundred Irish Republican army supporters attacked police on Dublin's central boulevard and near the parliament building Saturday to prevent an unprecedented parade by Northern Ireland Protestants. In riotous scenes rarely seen in the Republic of Ireland, protesters hurled bottles, bricks and fireworks, at police as they tried to clear the hostile crowd from O'Connell Street. The Garda Siochana, Ireland's national police force, said 14 people - six officers, seven protesters and a journalist - were hospitalized, mostly with head wounds. More than a dozen other people suffered less serious injuries. The police advised shoppers and...