It's Wednesday, September 17, and more than two weeks have elapsed since the Comprehensive Test Ban Treaty Organization (CTBTO) began its mock inspection exercise in Kazakhstan. A quick refresher on the particulars of the exercise: In August, the CTBTO's International Monitoring System detected seismic signals from underground shocks that looked as if they might have come from a clandestine nuclear test in the vast territory of Arcania, a fictional Central Asian republic where more than 20 nuclear weapons test explosions had been openly conducted during the Cold War.