Since the beginning of North Korean history, a significant portion of Korea watchers have been waiting patiently for a revolution to happen in Pyongyang.

The number of people making predictions has increased or decreased according to the changing political landscape: in the early 1990s, for example, it was a view held by a majority that North Korea was ripe for a massive, perhaps violent, overthrow of the seemingly anachronistic and irrational regime.

However, as we all know, revolution has yet to come. Does this mean it will never happen? And, if conceivable, what are the