Sadly, and from a realist point of view, trying to stop the conflict from becoming a regional war has a better shot at being accepted as a rationale for intervention than stopping genocide. So maybe the best that could happen is that the situation in Chad and the CAR heats up enough to prompt the UNSC to authorise an intervention with teeth. The problem is that the situation reaally has to boil over for this to happen. It's pretty hopeless.

Those whom the Gods wish to destroy They first make mad. -- Euripides