Adjusting to an Imperfect Reality

No matter what changes are introduced to the British security services in the wake of the London attack, authorities will never be able to anticipate and stop every simple attack by every potential actor. This is precisely why terrorist groups have embraced the leaderless resistance operational model. Masood's attack will doubtless offer lessons for law enforcement and counterterrorism officials going forward. I would argue, however, that based on the facts of the case, it is better to keep calm, adjust course and carry on rather than to scrap the current system and start over....