Washington- Alarmed by the recent spate of violence in Kosovo, Sen. George Voinovich Tuesday urged the U.S. State Department to push for the ouster of the head of the United Nations mission in the troubled province. "I believe the international community urgently needs new leadership in Kosovo," Voinovich said in a letter to Secretary of State Colin Powell. Voinovich is angry about continued instability in the region and the initial reaction of U.N. Mission head Harri Holkeri to attacks by ethnic Albanians against Serbs in Kosovo - an outbreak characterized as the worst violence since the 1999 war. Holkeri, a...