For Samdech Akka Moha Sena Padei Techo Hun Sen, Prime Minister of Cambodia, timing is everything. Therefore, it was not surprising that the world's longest-serving leader signalled recently that he would step down from politics. Unbelievable, right? He used to say he would remain in power until he was 90. If it had not come directly from him, nobody would have believed a word. His carefully...
