CAIRO -- Libyan protesters and militiamen stormed the headquarters of the election commission in the eastern city of Benghazi on Sunday, setting voting slips on fire, a militia commander said, a week before the country holds its first general election in nearly five decades.In southern Libya, a leader of Libya's Tabu tribe threatened to boycott the election if the government does not withdraw its forces and tanks from a southern desert city where clashes have killed dozens.Read More... More on World Elections In 2012