Kalaignar Karunanidhi today settled the issue of succession in DMK for good today, when he announced that his younger son MK Stalin will take over as the party head after him. How did the DMK patriarch choose Stalin over his eldest son Azhagiri and daughter Kanimozhi, when it seemed that each of them were equally capable of leading the party? The Unreal Times correspondent Madasamy brings you the story in pictures: