North Korea, to borrow Winston Churchill’s phrase, is “a riddle, wrapped in a mystery, inside an enigma.” For 17 years, Supreme Leader Kim Jong Il--a.k.a. the Guiding Sun Ray, the Invincible and Ever-triumphant General, and possessor of 40 other similarly grandiloquent titles--kept a veil of secrecy over affairs in North Korea. Since his death on…