AYMAN AL-WARFALI LIBYA’S first unity government in years was sworn in yesterday in the eastern city of Tobruk, charged with unifying the country after years of violence and division and overseeing the run-up to national elections. The government, which emerged through a United Nations dialogue process and was ratified last week in a frontline city, is seen as providing Libya's best hope in years for an end to a decade of chaos since a NATO-backed uprising toppled Muammar Gaddafi. "I swear by God almighty to perform my duties with honesty and sincerity," said Prime Minister Abdulhamid Dbeibeh, taking the oath…