The strange case of an Iraqi agent caught operating on American soil. His arrest may be the first of many. KHALED DUMEISI, a newspaper publisher in northern Illinois, was surprised when federal agents showed up at a modest condominium in suburban Chicago to arrest the man known to his colleagues in Iraqi intelligence as "Sirhan." He shouldn't have been shocked. First, the FBI, according to a complaint unsealed Wednesday in Illinois, had the goods on Sirhan. Among his offenses: supplying false press credentials for Iraqi intelligence agents; spying on Iraqi opposition leaders--at times, using a mini-camera implanted in the end...