As I wrote a few days ago, a new pattern of warfare is emerging in the Middle East and Africa. This “new blitzkrieg” isn’t really new, but it is asymmetric warfare at its best, pitting swarms of fast-moving, lightly armed fighters operating as a network against hidebound hierarchies of Western-trained and equipped “professional soldiers”. These state forces have a bad track record of crumbling under the tempo of swarming, networked attackers;...

