Well, I know how the system works. I know that there's something called the MELD system, which is nationwide. There are zones as far as evaluation of need for liver transplants.
In general, I think every novel is a political novel, in that every novel is an argument about how the world works, who has power, who has a voice, what we should care about. But political novels can be boringly polemical if they end up being too black and white, too one dimensional, like war is bad, killing people is wrong.