Like a lot of aspiring filmmakers in Los Angeles, Cyrus Kar was obsessed with his project, a documentary about an ancient Persian king who championed tolerance and human rights even as he built an empire that stretched across the Near East. But Mr. Kar, 44, a naturalized American born in Iran, followed his dream where few others might have gone. In mid-May, he traveled to Iraq with an Iranian cameraman to film archaeological sites around Babylon. After a taxi they were in was stopped in Baghdad, the two men were arrested by Iraqi security forces, who found what they suspected might be bomb parts in the vehicle. Full Story