Take a good, hard look at the world and what do you see? It certainly feels unpredictable. Old friends are unreliable, and the rules no longer seem to apply. For many, the global neighbourhood is getting distinctly scary. But don't take my word for it. Listen to the head of UK intelligence agency, MI6 . "The frontline is everywhere," says Blaise Metreweli, who used a recent speech to warn of "the menace of an aggressive, expansionist" Russia , as well as aggressive and expansionist individuals.