Written by JAY CANTOR Art and cover by JAMES ROMBERGER 'What causes terrorism?' After his fianc�e dies on 9/11, the question plagues Aaron Goodman. It makes him give up his career as a doctor to become an interrogator at Guantanamo Bay. It leads him to meme theory, as he wonders if there could be a cold science behind the conversion of people into suicide bombers. And ultimately, it brings him to Ahmed, a Gitmo prisoner who promises the answers to all of Aaron�s questions, and in the process, h.