Sudan is a kind of diabolical Groundhog Day. In the film by that name, Phil Connors (Bill Murray) re-lives the same day over and over again until he learns the lessons needed to change his life and save the lives of others. In Sudan today, people of the Nuba Mountains and Blue Nile State are re-living the horrific nightmare from which they thought they had finally awakened after the signing of Sudan’s 2005 Comprehensive Peace Agreement. But in this case, it is the United States government that has failed to learn the lessons needed to change conditions and save the...