This is an utterly ridiculous method for maintaining political control. Why take children as tributes? Why make them fight to the death? To answer these questions, let's take a look at the sociologist, Foucault, who wrote a lot about punishment and systems of power.
If Obama were a different type of leader-in-the-making, he would choose nonthreatening novices to ensure his being in charge. But isn't that "decider" routine part of what we were trying to end?