Dim Jong-Un From ALLAN HALL, in Berne, Switzerland Published: Today HE IS the heir apparent poised to become the next leader of rogue state North Korea. And this week Kim Jong-un - youngest son of dictator Kim Jong-il - is said to have ordered the bombardment of South Korean island Yeonpyeong with 200 shells, killing four and causing outrage around the world. The baby-faced 27-year-old stepped out of his father's shadow last month to appear in public in the capital Pyongyang as thousands of goosestepping troops marched by to mark the 65th anniversary of the ruling Workers Party. But a...