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Peeking inside a reclusive, authoritarian state is never easy. If the regime is an Orwellian communist dynasty, the job is harder still. Such is the analysis of what’s going on in Pyongyang now. North Korean leader Kim Jong-un took the title of marshal Wednesday, just two days after he removed the chief of the military’s general staff. It could either signify his successful control over the armed forces or reflect his lingering concerns about the military’s loyalty.