Italy probes possible CIA role in abduction By John Crewdson (Chicago) Tribune senior correspondent An Italian prosecutor investigating the apparent kidnapping of a suspected Islamic militant in the streets of Milan served military authorities this week with a demand for records of flights into and out of a joint U.S.-Italian air base in northern Italy. Italian newspapers have reported that the prosecutor, Armando Spataro, is investigating the possible role of the U.S. Central Intelligence Agency in the disappearance of Osama Nasr Mostafa Hassan, better known as Abu Omar, a popular figure in Milan's Islamic community who vanished Feb. 17, 2003....