Terrorism is evolving, sometimes almost beyond recognition. The pace of radicalization is accelerating. Attacks have become increasingly basic, unsophisticated and cheap. For some, terrorism seems to be like a craving, a source of dopamine to satisfy carnal impulses.Quick preparation, convenience and mass production: Welcome to the age of fast-food terrorism.A growing proportion of terrorist perpetrators are very young, with minors now representing up to a third of the counterterrorism workload in several European countries. Terrorism historically has been a youth problem, appealing particularly to “military age males” between 18 and 35. But today’s profiles are getting much younger, with arrests...