This post originally appeared in The Washington Spectator. When the United States revealed in January that it is testing a more nimble, more precise version of its B61 atom bomb, some were immediately alarmed. General James Cartwright, a former strategist for President Obama, warned that “going smaller” could make nuclear weapons “more thinkable” and “more usable.”…

So all ISIL needs to scrounge the radioactive components for a nasty dirty bomb is a Geiger counter.