Why don't we hear more about Central Africa

As I understand the situation, the United Nations force in the Congo may not be able to hold the peace, such as it is. So too, the peace in Southern Sudan is fragile, and the Darfur crisis continues to fester. The Lords Resistance Army which is originally Ugandan is threatening to break off peace negotiations, and is not only in the Sudan and threatening the Congo but is also threatening another weakly governed state--the Central African Republic. This seems a humanitarian crisis of very large magnitude over a huge geographic area. Why do we not hear more about it?

This is an area that is hard to reach, and is likely to be further victimized by hunger due to the world food crisis, and by disease due to the failure of its states, the desperate poverty of its people, especially refugees, and the failure of its health services. Why do we not do more to help?