Although the birth of the Islamic State and the herald of the caliphate are often regarded as some of 2014’s “big shockers,” they were foretold in striking detail and with an accurate timeline by an al-Qaeda insider nearly one decade ago. On August 12, 2005, Spiegel Online International published an article titled “The Future of Terrorism: What al-Qaeda Really Wants.” Written by Yassin Musharbash, the article was essentially a review of a book written by Fouad Hussein, a Jordanian journalist with close access to al-Qaeda and its affiliates, including the late Abu Musab al-Zarqawi, who pioneered the videotaping of beheadings...