
This week, military planners from more than 30 countries are gathered at MacDill Air Force Base in Tampa, Florida, to plot their approach against the so-called Islamic State (IS). On the other side of the world, IS is probably mulling its strategy as well. It is easy to imagine how different the two sessions must be, yet the two groups do have one thing in common: Both know that if their strategies are to work, they must first try to get inside the mind of their enemy. Anticipating what the enemy will do—what security experts call “red teaming”—is never easy, […]