BEIRUT, Lebanon — The voice of fugitive militant leader Shakir al-Abssi arose like a specter from Lebanon’s recent past yesterday. In a voice recording posted on the Internet, the radical leader of the Fatah al-Islam terrorist group threatened further attacks against the nation’s U.S.-backed army. In May, entrenched in the Nahr al-Bared Palestinian refugee camp, the Jordanian-born al-Abssi led his Fatah al-Islam militants, which included many non-Palestinians, in a 15-week battle that tested the Lebanese national army and destroyed the refugee camp. Al-Abssi reportedly escaped just hours before Fatah al-Islam’s remaining holdouts were killed or captured in a final breakout […]