Investigators can take weeks and even months to piece together an attack, especially a major one of the kind that hit Sony. Even then, it's often impossible to assign blame with 100 percent accuracy.
The Sámi people make their living on reindeer herding and fishing in northern Europe. Unfortunately, the environment that the Sámi depend on, and thus the Sámi culture, is being threatened by climate change and land rights issues. But they've had some success fighting back.
Perhaps. But at least it shows that the ruble's current woes shouldn't be a surprise to bankers and policymakers.