Most of us know the story of the 21 Coptic Christians from Egypt who held fast to their faith and were beheaded by ISIS in February, 2015. But did you know that only 20 of them were actually Copts from Egypt? Did you know that one of the martyrs was from Chad, and he had not been a Christian prior to the day of his beheading? This story was previously reported. But I had not heard it before this week, when I attended the World Summit in Defense of Persecuted Christians hosted by the Billy Graham Evangelistic Association. A Coptic...