Rivals trade blame over Macedonia parliament violence

Macedonia's rival political parties traded blame Friday for an eruption of violence in the unstable Balkan country's parliament which left about 100 people injured.The chaos in Skopje broke out on Thursday evening, with dozens of nationalist demonstrators -- including a group of masked men -- breaking a police cordon and storming parliament in anger over a vote for a new speaker, an ethnic Albanian.The riots, which came after two years of political crisis, drew widespread condemnation, with NATO