By ARON HELLER, Associated PressJERUSALEM (AP) – Devastated mourners grasped at dirt atop fresh graves and screamed in agony Friday as they buried the five Israeli victims of a bombing in Bulgaria – an attack that Israel has blamed on Iran and its proxy group Hezbollah.Two days after the deadly blast in a popular vacation spot, investigators in Bulgaria and in several other countries were still struggling to confirm the attacker's identity.Read More...