keep hearin 'bout these 'locusts': w/china's population over 1 billion strong, these pests are absorbable w/o an overwhelming challenge to china. cannot be considered a real "ace in the hole".
Well, I can't vouch for it being used as a tool in Kim-illin's desperate attempt to remain in power either. From what I've also read, it could also spell the end of his regieme if he could no longer control the population.
OTOH, I just can't imagine China would appreciate them showing up in time for the opening ceremonies for the Olympics, nor having to deal with refugee camps in addition to preps for the event.
I'd just a likely entertain that it is China who is pulling the strings here. I just posted my thoughts as a "what if..."
The most likely scenario? China or Russia is manipulating the NK midget to rant just enough to affect the US elections. Following November 7th, Russia or China will announce the test was a fraud. The UN will lift any sanctions and provide relief and that will be the end of it.