I don't normally mind offending holy men, but I can remember feeling absolutely aghast at the injured look that spread across the fine features of the Coptic Archbishop of Eritrea as we sat in his quarters in Asmara in 1993. Was it true, I had asked him, that in the Coptic Christian tradition Judas was considered to be a saint? He jumped like a pea on a hot shovel and, when he had regained his composure, demanded to know how I could possibly have heard such a wicked rumor. Nothing more profane could be imagined than this perversion of the...