1. Ahmad Abu Adass In 2005, the last year of his life, Ahmad Abu Adass was 22 and still living with his parents in Beirut, Lebanon. He was kind and liked people, his friends later told investigators, but none of them thought he was very sophisticated. The best way to describe him was simple, one said. He was generous and a little naïve. He was very weak, physically. A Sunni Muslim of Palestinian descent, Adass had become interested in religion and now spent many hours at the Arab University Mosque near his home. It was there, after a prayer session,...