Egypt’s Coptic Christians frequently accuse State Security and police of overlooking Muslim attacks on Christians and their places of worship, especially monasteries and churches. The Western mainstream media often ignores these accusations, or mentions them in passing as “unsubstantiated reports.” Last weekend’s assault on the St. Mark Cathedral — unprecedented in significance — was no different, except for the fact that there are many pictures demonstrating State complicity. To recap: After last Sunday’s St. Mark Cathedral funeral service for Egypt’s most recent Christian victims of jihad — including one man set aflame — gangs of Muslims attacked the Christian mourners,...