Former guerrilla Hashim Thaci bids for a third term as prime minister of Kosovo yesterday, under pressure from voters angry over poverty and corruption and a war crimes investigation that threatens to ensnare his former comrades-in-arms. Some analysts expect the closest election race since Thaci presided over Kosovo’s Western-backed secession from Serbia in 2008. Frustration with Kosovo’s progress since independence is running high among many of its 1.8 million people, who rank among Europe’s poorest. About one-third of the…