According to a recently published report by a scholar at the Marine Corps University, Islamic State (IS) and perhaps even al-Qaeda, having been driven from their territorial strongholds, are likely to take up campaigns of maritime terror. IS successfully carried out an attack on an Egyptian navy frigate, using anti-ship missiles, in the summer of 2015. Michael Rubin explains what could be next:

On December 20, a Palestinian waited in a wooded area near a Jewish village in northern Israel in the hope of encountering a victim. Soon enough he spotted Esther Horgan walking home from an evening jog and killed her by beating her with a rock. He later told the police that he did the deed to avenge the death of Kamal Abu Wa’er, a terrorist in Israeli custody. Itamar Marcus explains: