Al-Qaeda has never attempted to seize and hold strategic territory, but this may be about to change, according to an audiotape message from the deputy leader of al-Qaeda in the Arabian Peninsula (AQAP). In the 12-minute statement, Sa’id al-Shihri (a.k.a. Sufyan al-Azidi) outlined a new strategy that would involve Islamist fighters from Somalia working in coordination with AQAP fighters in Yemen to secure both sides of the vital strait (al-Malahim Establishment for Media Production, February 8). Some 30% of the world’s annual trade passes through the narrow Bab al-Mandab (“The Gate of Tears,” thanks to its navigational hazards). Passing Djibouti...