Iraqis mourn expert on armed groups killed by unknown gunmen

BAGHDAD (AP) — Iraqi mourners and relatives have carried the body of a respected analyst shot and killed the previous night in Baghdad after receiving threats from Iran-backed militias. Many Iraqis expressed their shock over the slaying.  The expert on the Islamic State group and other militant organization was a regular fixture on Iraqi television and his expertise was often sought by government officials, journalists and researchers. No one immediately claimed responsibility for the